- "Legislation concerning sport's activities in Germany"  (Research done for the Standing Committee for Sport, Youth and Tourism at the XXVIIth National Assembly, 1996);

- "Law and Sport in Europe - comparative study" (1997-1998);

The Sport Organisation under Bulgarian Legislation” - survey of the European Law Society (1998);

"The Legal Aspects of the Sport Concept", In: Annual of the National Sport Academy, Sofia, 2002;

- "Assessment of the Capacity for Sport Policies for Students in Bulgaria" (in collaboration with Vassil Kitov), In: Annual of the National Sport Academy, Sofia, 2002;

"The Risk Management in the National Sport Federations", In: Collection of Papers on Kinnesiology, Veliko Turnovo, 2002