Public PhD thesis defense of Lyubomir Sashev Krastev on the topic “Current State and Development Opportunities of Event Tourism in the City of Sofia” for awarding the educational and scientific degree "Doctor" in a professional field 4.4. Earth Sciences (Geography of Recreation and Tourism).

Scientific supervisor: Assoc. Prof. Elena Petkova, PhD
Chairperson of the Scientific Jury: Prof. Vera Nikolova, PhD

Abstract (Author's summary of the Thesis)

Reviews:

• Prof. Maria Vodenska, DSc
• Prof. Vera Nikolova, PhD

Opinions:

• Prof. Boian Koulov, PhD
• Prof. Galina Rashkova, PhD
• Prof. Ivan Markov, PhD