2026.02.17. Internal defence – Thi Thuy Sinh Tran

István Széchenyi Economics and Management Doctoral School 

cordially invites you to an English language internal defense by the PhD applicant 

Thi Thuy Sinh Tran 

The title of the dissertation: 

Social Media Marketing for Sustainability of Community-based Tourism Enterprises in Vietnam

Date of the defence: 

17th February 2026 at 13:00 

Place: 

University of Sopron Alexander Lamfalussy Faculty of Economics 

Sopron, Erzsébet Str. 9. (Room 15.) 

  Chair of the Committee: 

Dr. habil. László KOLOSZÁR PhD associate professor (SOE LKK) 

Reviewers of the Committee: 

Dr. Viktória KUNDI PhD  associate professor (SZE KGK)

Dr. habil. Zoltán SZABÓ PhD  associate professor (SOE LKK)

  Supervisor of the applicant: 

Dr. Nikoletta NÉMETH PhD  associate professor (SOE LKK)