Agricultural University of Plovdiv

American University in Bulgaria

Bourgas Free University

Bourgas Prof. Assen Zlatarov University

Georgi Benkovski Air Force Academy

Higher Institute of Food and Flavor Industries

Higher Institute of Medicine

International University

National Academy of Theatre and Film Arts

Faculty of Medicine, Medical University of Sofia

National Academy of Arts

National Sports Academy "Vasil Levski"

New Bulgarian University

Nicola Vaptsarov Naval Academy

South-West University

Technical University Gabrovo

Electronics Computer Aided Design Laboratory, Multimedia Group, Technical University of Sofia, Technical University of Sofia, Branch Plovdiv

Technical University of Varna

Trakia University Stara Zagora

University of Architecture, Civil Engineering and

University of Economics

Faculty of Mathematics and Informatics, Paissii Hilendarski University of Plovdiv

Repair and Reliability Department, University of Rousse

Department of Information Technologies, Monte Carlo Group, Regional Distance Education Study Centre, Sofia University Library, University of Sofia

Tsenov Academy of Economics

University of Veliko Turnovo

Varna Free University