Announcements & Documents
2019-2020 VİZESORUCEVAB
Exam
11/25/2019
BDTR-1-3Ödev
Homework
11/8/2017
BDTR-1-1Ödev
Homework
10/25/2017
BDTR-1- 7 Ödev
Homework
12/22/2016
BDTR-1- 6 Ödev
Homework
12/8/2016
BDTR-1-5.Ödev
Homework
12/2/2016
BDTR-1-4Ödev
Homework
11/24/2016
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Homework
10/28/2016
Brochure or Poster Showing the Program Content of the Training / Course
Education Information
2010 - 2019
2010 - 2019Doctorate
Erciyes University, Fen Bilimleri Enstitüsü, Makine Dinamiği Ve Teorisi, Turkey
2006 - 2010
2006 - 2010Postgraduate
Erciyes University, Fen Bilimleri Enstitüsü, Mekatronik Mühendiliği, Turkey
2001 - 2006
2001 - 2006Undergraduate
Erciyes University, Mühendislik Fakültesi, Makine Mühendisliği, Turkey
Dissertations
2019
2019Doctorate
Design, Implementation and Dynamic Analysis of Experimental Multi Carriage Crane Systems
Erciyes Üniversitesi, Mühendislik Fakültesi, Makina Mühendisliği
2010
2010Postgraduate
Control of Suspension Systems with PID
Erciyes Üniversitesi, Fen Bilimleri Enstitüsü, Mekatronik Mühendiliği
Foreign Languages
B2 Upper Intermediate
B2 Upper IntermediateEnglish
Certificates, Courses and Trainings
2023
2023MakTeD Kam Mekanizmalarının Kinematik Tasarımı Çalıştayı
Education Management and Planning
İzmir Institute of Technology (IZTECH)- Middle East Tecnical University(METU)
2022
2022MakTeD Mekanizmaların Fonksiyon Sentezi Çalıştayı
Education Management and Planning
İzmir Institute of Technology (IZTECH)- Middle East Tecnical University(METU)
2020
2020Kinematik Sentezde Grafik Yöntemler Çevrimiçi Çalıştayı
Education Management and Planning
Middle East Technical University
2018
2018IFToMM Summer School on Mechanism Design for Medical Application
Education Management and Planning
İzmir Yüksek Teknoloji Enstitüsü
2018
2018Temel Makina Dinamiği Eğitimi Çalıştayı
Education Management and Planning
Ondokuz Mayıs Üniversitesi
2014
2014LLP, ERASMUS Ders verme harketlilği
Education Management and Planning
Politechnika Lubelska, Polonya
2013
2013LLP, ERASMUS Ders verme harketlilği
Education Management and Planning
Debrecen University, Hungary
Research Areas
Mechanical Engineering
Construction and Manufacturing
Computer Aided Design and Manufacturing
Machine Theory and Dynamics
System Dynamics and Control
Mechatronics
Mechanical Vibrations
Mechanical
Finite Element Methods
Engineering and Technology
Academic Titles / Tasks
2020 - Continues
2020 - ContinuesAssistant Professor
Erciyes University, Mühendislik Fakültesi, Mekatronik Mühendisliği
2019 - 2020
2019 - 2020Lecturer PhD
Erciyes University, Mühendislik Fakültesi, Mekatronik Mühendisliği
2012 - 2019
2012 - 2019Lecturer
Erciyes University, Mühendislik Fakültesi, Mekatronik Mühendisliği
2009 - 2012
2009 - 2012Research Assistant
Bozok Üniversitesi, Mühendislik Mimarlık Fakültesi, Makine Mühendisliği
Non Academic Experience
2013 - Continues
2013 - ContinuesOther, Erciyes Üniversitesi, Mekatronik Bölümü
2008 - 2009
2008 - 2009BAKIM ŞEFİ
COREAL KABLO A.Ş.
2006 - 2009
2006 - 2009Business Establishment Private, Hasçelik Halat San Tic.A.Ş.
2006 - 2008
2006 - 2008BAKIM ŞEFİ
HASÇELİK HALAT SAN
Courses
Taught Courses And Trainings
2019 - 2019
2019 - 2019Autocad-Excel(İleri Seviye)- Idecad (Statik) Eğitimi
Continuing Education Center - Training
Esim E.
Published journal articles indexed by SCI, SSCI, and AHCI
2024
2024Trueness of IntraoralScanners in Different Scan Patterns for Full-Arch Digital Implant Impressions
SEZER T., ESİM E., YILMAZ E.
JOURNAL OF ORAL IMPLANTOLOGY
, vol.50, no.4, pp.426-430, 2024 (SCI-Expanded)
2024
2024Finite element evaluation of dentin stress changes following different endodontic surgical approaches
ASLAN T., ESİM E., ÜSTÜN Y.
Odontology
, vol.112, no.3, pp.798-810, 2024 (SCI-Expanded)
2024
2024Single implant retained overdentures: Evaluation of effect of implant length and diameter on stress distribution by finite element analysis
ERASLAN R., YAĞCI F., ESİM E.
Journal of Prosthodontics
, vol.33, no.4, pp.348-357, 2024 (SCI-Expanded)
2024
2024Evaluation of polyaryletherketone materials as post-core abutments for removable partial dentures: A finite element analysis
YAĞCI F., ERASLAN R., ESİM E.
Dental Materials
, 2024 (SCI-Expanded)
2022
2022Effect of Anterior Implant Position on Biomechanical Performance in the Maxillary All-on-Four Treatment: A 3-D Finite Element Analysis
Sezer T., Kilic K., Esim E.
Journal of Oral Implantology
, vol.48, no.3, pp.177-186, 2022 (SCI-Expanded)
2022
2022Investigation of dynamic response of multi- carriages double bridge overhead type crane system subjected to the moving load
Yıldırım Ş., Esim E.
JOURNAL OF THE BRAZILIAN SOCIETY OF MECHANICAL SCIENCES AND ENGINEERING
, vol.44, no.3, 2022 (SCI-Expanded)
2022
2022Effect of Implant Diameter and Bruxism on Biomechanical Performance in Maxillary All-on-4 Treatment: A 3D Finite Element Analysis
Sezer T., Kilic K., Esim E.
International Journal of Oral and Maxillofacial Implants
, vol.37, no.4, pp.709-721, 2022 (SCI-Expanded)
2021
2021Vibration analysis of an experimental double bridge crane system with artificial neural networks
Yıldırım Ş., Esim E.
JVC/Journal of Vibration and Control
, vol.27, no.23-24, pp.2724-2737, 2021 (SCI-Expanded)
2021
2021Evaluation of Stress Distributions in Mandibular Molar Teeth with Different Iatrogenic Root Perforations Repaired with Biodentine or Mineral Trioxide Aggregate: A Finite Element Analysis Study.
Aslan T., Esim E., Üstün Y., Dönmez Özkan H.
Journal of endodontics
, vol.47, pp.631-640, 2021 (SCI-Expanded)
2021
2021Analysis of the Vibration Characteristic of an Experimental Turning Lathe Using Artificial Neural Networks
Çetinkaya M. B., Esim E., İşci M.
ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING
, vol.46, no.3, pp.2597-2611, 2021 (SCI-Expanded)
2019
2019Stress distributions in internal resorption cavities restored with different materials at different root levels: A finite element analysis study
ASLAN T., ÜSTÜN Y., ESİM E.
Australian Endodontic Journal
, vol.45, no.1, pp.64-71, 2019 (SCI-Expanded)
2017
2017Drilling performance analysis of drill column machine using proposed neural networks
ESİM E., YILDIRIM Ş.
NEURAL COMPUTING & APPLICATIONS
, vol.28, 2017 (SCI-Expanded)
2016
2016Fracture resistance of teeth with oval canal morphology restored using oval and circular posts
KILINC H. I., ASLAN T., KILIÇ K., Er O., ESİM E., YILDIRIM Ş.
JOURNAL OF ORAL SCIENCE
, vol.58, no.3, pp.339-345, 2016 (SCI-Expanded)
2013
2013Stress distribution of oval and circular fiber posts in amandibular premolar: a three-dimensional finite element analysis
Er O., KILIÇ K., ESİM E., ASLAN T., Kilinc H. I., YILDIRIM Ş.
JOURNAL OF ADVANCED PROSTHODONTICS
, vol.5, no.4, pp.434-439, 2013 (SCI-Expanded)
Articles Published in Other Journals
2023
2023Biomechanical Effect of Framework and Bruxism in All-on-4 Concept: A Finite Element Analysis
Sezer T., Kılıç K., Esim E.
Süleyman Demirel Üniversitesi Sağlık Bilimleri Dergisi
, vol.14, no.3, pp.300-314, 2023 (Peer-Reviewed Journal)
2022
2022Block Sponge Compression and Packaging System Design and Analysis with Finite Element Method
Esim E., Benzer E., Erikli E.
The European Journal of Research and Development , vol.2, no.4, pp.67-80, 2022 (Peer-Reviewed Journal)
2022
2022Endüstriyel sünger ezme makinasının güç ünitesi tasarımı ve sonlu elemanlar metodu ile titreşim analizi
Esim E., Benzer E.
Niğde Ömer Halisdemir Üniversitesi (NÖHÜ) Mühendislik Bilimleri Dergisi , vol.11, no.4, pp.1-15, 2022 (Peer-Reviewed Journal)
2021
2021Analysis of Stress Distribution of Prostheses Produced by Using 'All-On-Four', 'All-On-Five' And 'All-On-Six' Concept with Finite Elements Analysis Method
Leblebicioğlu Kurtuluş İ., Esim E., Kılıç D., Kılıç K.
Selçuk Üniversitesi Diş Hekimliği Fakültesi Dergisi
, vol.8, no.3, pp.774-782, 2021 (Peer-Reviewed Journal)
2021
2021Structural Analysis of Industrial Foam Crusher Machine By Using Finite Element Method
ESİM E., Benzer E.
European Journal of Science and Technology , vol.29, pp.343-350, 2021 (Peer-Reviewed Journal)
2019
2019Modal Analysis of Double Beam Overhead Type Crane Systems by Finite Element Method
Yıldırım Ş., Esim E.
Konya Mühendislik Bilimleri Dergisi , vol.7, no.0, pp.975-988, 2019 (Peer-Reviewed Journal)
2018
2018Effects of the geometric shape and placing length of a fiber post on the stress distribution in a mandibular premolar tooth: A finite element analysis study
ASLAN T., ESİM E., KILIÇ K., ER Ö., YILDIRIM Ş.
International Dental Research , vol.8, no.3, pp.105-110, 2018 (Peer-Reviewed Journal)
2015
2015A New Fully Automated System Design for Evaluation of Standardized and Reproducible Data in Intraoral Photography of Gingiva
YILDIRIM Ş., GÜRGAN C. A., SARI M. Y., ESİM E., SAVAŞ S., TEMEL T.
International Journal of Advance Computational Engineering and Networking (IJACEN) , vol.3, pp.101-105, 2015 (Peer-Reviewed Journal)
Refereed Congress / Symposium Publications in Proceedings
2024
2024Structural Analysis Of Industrial Type Coil Winding Machine
Karaca S., Esim E.
12th International Zeugma Congress On Scientific Research, Gaziantep, Turkey, 2 - 04 October 2024, pp.1-2
2023
2023POLİETERETERKETON ENDOKRONLARIN HAREKETLİ PROTEZ DESTEĞİ SANTRAL DİŞLERDE SONLU ELEMANLAR STRES ANALİZİ İLE DEĞERLENDİRİLMESİ
Yağcı F., Eraslan R., Esim E.
Türk Dişhekimleri Birliği 27. Uluslararası Diş Hekimliği Kongresi, Ankara, Turkey, 26 - 29 October 2023, pp.1-2
2023
2023Effect of cement type on stress distribution in stainless steel crown restorations: Finite element analysis
Bahadır Sezer A., Gümüş H., Esim E.
29.Uluslararası Türk Pedodonti Derneği Kongresi, Ankara, Turkey, 12 - 15 October 2023, pp.69
2023
2023Design, analysis and control of the dross press for recovery of aluminum casting processes
Esim E., Ulus Ş.
21. Ulusal Makina Teorisi Sempozyumu, Edirne, Turkey, 13 - 15 September 2023, pp.137-146
2022
2022Maksiller All-On-4 Konseptinde Bruksizmin ve Protetik Altyapının Biyomekanik Performansa Etkisi: Üç Boyutlu Sonlu Elemanlar Analizi
SEZER T., KILIÇ K., ESİM E.
Türk Dişhekimleri Birliği 26. Uluslararası Dişhekimliği Kongresi, Turkey, 10 September 2022, vol.11, pp.578
2021
2021Otomatik bir depolama ve boşaltma sisteminin (ODBS) çevrim süresinin tecnomatıx ile analizi
ESİM E., ÖZALTIN Ö.
20. Ulusal Makina Teorisi Sempozyumu(UMTS 2021), Diyarbakır, Turkey, 15 September 2021, pp.291-300
2021
2021Askı tip krenlerde kaldırma grubu dinamik analizi
YILDIRIM Ş., ESİM E.
20. Ulusal Makina Teorisi Sempozyumu(UMTS 2021), Diyarbakır, Turkey, 15 September 2021, pp.80-89
2019
2019Çift Köprülü Askı Tip Kren Sistemlerinin Sonlu Elemanlar Metodu İle Modal Analizi
YILDIRIM Ş., ESİM E.
19. Ulusal Makina Teorisi Sempozyumu (UMTS 2019), Hatay, Turkey, 4 - 06 September 2019, pp.265-274
2019
2019Free Vibration Analysis of Multi-Carriages Crane Systems with Finite Element Method
Yıldırım Ş., Esim E.
5th International Conference on Engineering and Natural Sciences (ICENS 2019), Praha, Czech Republic, 12 - 16 June 2019, pp.22-30
2019
2019Harmonic Response Analysis of Double Bridge Crane System on Multi Carriages
Yıldırım Ş., Esim E.
5th International Conference on Engineering and Natural Sciences (ICENS 2019), Praha, Czech Republic, 12 - 16 June 2019, pp.90-96
2018
2018Farklı İatrojenik Kök Perforasyonlu Mandibular Molar Diş Modellerinde Stres Dağılımları
ASLAN T., ESİM E.
Türk Dişhekimleri Birliği 24. Uluslararası Diş Hekimliği Kongresi, Ankara, Turkey, 27 - 30 September 2018
2018
2018Farkli Termoplastik Kök Kanal Obturasyon Teknikleri Esnasinda Periodontal Dokulara Isı Transferleri: Bir Sonlu Elemanlar Analizi Çalışması
Er Ö., Esim E., Aslan T.
Türk Endodonti Derneği 8. Uluslararası Endodonti Sempozyumu, Adana, Turkey, 10 - 13 May 2018
2017
2017A new approach for dynamic analysis of overhead crane systems under moving loads
YILDIRIM Ş., ESİM E.
12th Portuguese Conference on Automatic Control, CONTROLO 2016, Guimaraes, Portugal, 14 - 16 September 2017, vol.402, pp.471-481
2017
2017Design of neural network predictor for vibration analysis of a drill column machine during drilling plastic work-pieces
YILDIRIM Ş., ESİM E.
4th Conference on Mechanisms, Transmissions and Applications, MeTrApp 2017, Trabzon, Turkey, 3 - 05 July 2017, vol.52, pp.269-278
2017
2017Farklı Kök Seviyerinde İnteral rezorpsiyon kaviteleri bulunan ve Güta-Perka ve/veya MTA ileDoldurulmuş Simule Edilmiş Diş Modelerindeki Gerilme Dağılımları:Bir Sonlu Elamanalar Analiz Çalışması
ASLAN T., ÜSTÜN Y., ESİM E.
Türk Endodondi Derneği 7. Uluslararası Endodonti sempozyumu, 11 - 14 May 2017
2015
2015Fracture resistance of oval and circular dowels used in oval root canals
KILINÇ H. İ., ASLAN T., KILIÇ K., ER Ö., ESİM E., YILDIRIM Ş.
39th Annual Conference of the European Prosthodontic Association, Prag, Czech Republic, 3 - 05 September 2015
2015
2015The effect of placing lengths on stress distribution of oval and circular fiber posts in a mandibular premolar tooth: a three-dimensional finite element analysis study.
ASLAN T., ESİM E., KILINÇ H. I., KILIÇ K., ER Ö., ÇINAR F.
17th ESE Biennial Congress, Barcelona, Spain, 16 - 19 September 2015, pp.83
2015
2015A New Fully Automated System Design for Evaluation of Standardized and Reproducible Data in Intraoral Photography of Gingiva
YILDIRIM Ş., GÜRGAN C. A., SARI M. Y., ESİM E., SAVAŞ S., TEMEL T.
International Conference on Medical and Health, Barcelona, Spain, 1 - 02 August 2015, pp.72-76
2015
2015Üzerinde Hareketli Yük Taşıyan Kren Sistemlerinin Dinamik Analizi
YILDIRIM Ş., ESİM E.
Ulusal Makina Teorisi Sempozyumu 2015, İzmir, Turkey, 14 - 17 June 2015, pp.1-6
2015
2015Takım Tezgahlarında Yapay Sinir Ağı Kullanılarak Performans Analizi
YILDIRIM Ş., ESİM E.
Ulusal Makina Teorisi Sempozyumu 2015, İzmir, Turkey, 14 - 17 June 2015, pp.1-6
2013
2013Effect of fibre post geometrical shape on the stress distribution of endodontically treated mandibular premolar teeth: a 3D finite element analysis
ER Ö., KILIÇ K., ESİM E., ASLAN T., KILINÇ H. I., YILDIRIM Ş., et al.
16th ESE Biennial Congress, Lisbon, Portugal, 12-14 September 2013., Portugal, 1 - 04 September 2013, pp.49-50
2011
2011Bir Prototip Süspansiyon Sistemi İçin Adaptif Kontrol Organı Tasarımı
YILDIRIM Ş., ESİM E.
15. Ulusal Makine Teorisi Sempozyumu, Turkey, 16 - 18 June 2011, pp.609-616
2010
2010Design Adaptive PID Controller for Experimental twodegrees of freedom Suspension System
Yıldırım Ş., Esim E.
16th Building Services, Mechanical and Building Industry Days, Debrecen, Hungary, 14 - 15 October 2010, pp.551-562
Supported Projects
2023 - 2024
2023 - 2024Quadcopter Tasarım Analizi ve Prototip Geliştirilmesi
Project Supported by Higher Education Institutions
ESİM E. (Executive), SERT A. B., KARAKURT A. S., TERKEŞLİ E., KARACA S.
2015 - 2017
2015 - 2017Dişeti Morfometrik Değerlendirmelerinde Bilgisayar Destekli Standardize Dijital Fotografik Görüntüleme Yönteminin Güvenilirlik ve Tutarlılığının Değerlendirilmesi için PLC Kontrollü Tam Otomasyonlu Sistem Tasarımı ve Gerçekleştirilmesi
Project Supported by Higher Education Institutions
GÜRGAN C. A. (Executive), YILDIRIM Ş., ESİM E., TEMEL T., SAVAŞ S., SARI M. Y.
2015 - 2017
2015 - 2017Askı Tip Kren Sistemlerinin Farklı Hareket Koşullarında Deneysel olarak Dinamik Analizi Ve Salınım Kontrolü
Project Supported by Higher Education Institutions
YILDIRIM Ş. (Executive), SU Ş., ESİM E.
Memberships / Tasks in Scientific Organizations
2015 - Continues
2015 - ContinuesTurkish Machine Theory Association
Member
2006 - Continues
2006 - ContinuesTMMOB Makina Mühendisleri Odası
Member
Scientific Refereeing
August 2024
August 2024JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE
Journal Indexed in SCI-E
August 2024
August 2024Niğde Ömer Halisdemir University (NOHU) Journal of Engineering Sciences
Other Journals
May 2024
May 2024JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE
Journal Indexed in SCI-E
February 2024
February 2024COMPUTERS IN BIOLOGY AND MEDICINE
Journal Indexed in SCI-E
February 2024
February 2024PLOS ONE
Journal Indexed in SCI-E
November 2023
November 2023PLOS ONE
Journal Indexed in SCI-E
March 2023
March 2023SWARM AND EVOLUTIONARY COMPUTATION
Journal Indexed in SCI-E
February 2023
February 2023Mühendis ve Makina
National Scientific Refreed Journal
December 2022
December 2022BMC ORAL HEALTH
Journal Indexed in SCI-E
December 2022
December 2022JOURNAL OF ORTHOPAEDIC SURGERY AND RESEARCH
SCI Journal
December 2022
December 2022SCIENTIFIC REPORTS
Journal Indexed in SCI-E
November 2022
November 2022BMC ORAL HEALTH
Journal Indexed in SCI-E
November 2022
November 2022AUSTRALIAN ENDODONTIC JOURNAL
Journal Indexed in SCI-E
September 2022
September 2022SCIENTIFIC REPORTS
Journal Indexed in SCI-E
July 2022
July 2022JOURNAL OF VIBRATION AND CONTROL
SCI Journal
February 2022
February 2022JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY
Journal Indexed in SCI-E
January 2022
January 2022JOURNAL OF VIBRATION AND CONTROL
Journal Indexed in SCI-E
November 2021
November 2021MEASUREMENT & CONTROL
Journal Indexed in SCI-E
August 2021
August 2021Measurement & Control
Journal Indexed in SCI-E
June 2021
June 2021Gümüşhane Üniversitesi Fen Bilimleri Enstitüsü Dergisi
National Scientific Refreed Journal
March 2021
March 2021International Journal of Automotive Engineering and Technologies
National Scientific Refreed Journal
July 2020
July 2020Uluslararası Doğu Anadolu Fen Mühendislik ve Tasarım Dergisi
Other Indexed Journal
Scientific Consultations
2020 - Continues
2020 - ContinuesScientific Consultancy
Kilim Mobilya AR-GE Merkezi
Erciyes University, Mühendislik Fakültesi, Mekatronik Mühendisliği, Turkey
Awards
December 2022
December 2022The Best Project Paper in Furniture Production Industry
Rdconf R&D And Innovation Scientific Paper Awards 2022
June 2006
June 2006Mezuniyet: Makine Mühendisliği Bölümü, BölümBirinciliği
Erciyes Üniversitesi
Congress and Symposium Activities
02 October 2024 - 04 October 2024
02 October 2024 - 04 October 202412th International Zeugma Congress On Scıentıfıc Research
Attendee
Gaziantep-Turkey
13 September 2023 - 15 September 2023
13 September 2023 - 15 September 202321th National Machine Theory Symposium
Attendee
Edirne-Turkey
14 December 2022 - 17 December 2022
14 December 2022 - 17 December 20222.International Conference on Design, Research and Development
Attendee
Kayseri-Turkey
21 October 2021 - 23 October 2021
21 October 2021 - 23 October 20215th International Symposium on Multidisciplinary Studies and Innovative Technologies
Attendee
Bolu-Turkey
15 September 2021 - 17 September 2021
15 September 2021 - 17 September 202120th National Machine Theory Symposium
Attendee
Diyarbakır-Turkey
01 September 2019 - 01 September 2019
01 September 2019 - 01 September 201919. Ulusal Makine Teorisi Sempozyumu
Working Group
Hatay-Turkey
01 June 2019 - 01 June 2019
01 June 2019 - 01 June 20195th International Conference on Engineering and Natural Sciences (ICENS 2019)
Working Group
Praha-Czech Republic
01 July 2017 - 01 July 2017
01 July 2017 - 01 July 2017The 4th Conference on Mechanisms, Transmissions and Applications-MeTrApp 2017
Attendee
Trabzon-Turkey
01 June 2015 - 01 June 2015
01 June 2015 - 01 June 201517. Uluslararası Katılımlı Makine Teorisi Sempozyumu
Attendee
İZMİR-Turkey
01 June 2011 - 01 June 2011
01 June 2011 - 01 June 201115. Ulusal Makine Teorisi Sempoyumu
Attendee
NİĞDE-Turkey
Citations
Total Citations (WOS): 68
h-index (WOS): 4
Jury Memberships
November-2024
November 2024Post Graduate
Post Graduate - Erciyes Üniversitesi
September-2023
September 2023Doctorate
Doctorate - Erciyes Üniversitesi
August-2023
August 2023Doctorate
Doctorate - Yozgat Bozok Üniversitesi
December-2022
December 2022Post Graduate
Post Graduate - Yozgat Bozok Üniversitesi
December-2022
December 2022Post Graduate
Post Graduate - Yozgat Bozok Üniversitesi
October-2020
October 2020Academic Staff Examination
Academic Staff Examination - Yozgat Bozok Üniversitesi
September-2020
September 2020Post Graduate
Post Graduate - Erciyes Üniversitesi
June-2020
June 2020