Konstantinov, O., V. Fol. The Odrysian Kingdom - an Interactive Multimedia Application for Educational Purposes, In: Quality of Education and Challenges in a Digitally Networked World (QED), 30-31 October, 2014, Sofia, Bulgaria.
Konstantinov, O., E. Kovatcheva, R. Nikolov.
Cultural Heritage Education – The Role of ICT. In: Modern Information Society Formation: Problems, Perspectives, Innovation Approaches – Proceedings of International Forum, 1-5 June 2015, Saint-Petersburg.
ISBN: 978-5-8088-1002-0.
Konstantinov, O., D. Boyadjiev, S. Denchev, ICT application in Cultural-Heritage Eudcaion na Socialization. Int. Conf. Policy for Cultural Heritage Managment – communication and socialization through education “, Sofia, 10-11 Oct 2013.
Konstantinov, O., B. Bontchev, D. Vassileva. Video Lectures as a Tool for Modern Distance Education,
In: Proceedings of The International Conference “Challenges in Higher Education and Research in the 21st Century”, 3-6 June 2014, Sozopol, Bulgaria;
Konstantinov, O, Kovatcheva, E. Fol, V., Nikolov R. (2012)
Discover the Thracians – An Approach for Use of 2D and 3D Technologies for Digitization of Cultural Heritage in the Field of E-learning, In: Proceedings of The International Conference on Digital Presentation and Preservation of Cultural and Scientific Heritage - DiPP2012, September Veliko Turnovo, Best paper Award
Konstantinov, O., E. Kovatcheva, N. Palikova, Gamification In Cultural And Historical Heritage Education, In: Proceedings of 12th International Technology, Education and Development Conference INTED 2018, 5-7 March 2018, Valencia (Spain), pp. 8443-8451,
ISBN: 978-84-697-9480-7
Henriksen D, M. Henderson, O. Konstantinov et al., RETHINKING LEARNING IN A DIGITAL AGE – EDUsummIT 2017,
Summary Reports Thematic Working Group 6, Developing creativity in teachers and learners, 2018
Textbook "Information Technologies" for the 9th grade
(co-authored by E. Kovacheva, O. Konstantinov, E. Dimitrova and G. Gachev),
2018, Anubis Ltd. (in Bulgarian)
Textbook "Information Technologies" for the 6th grade (co-authored by N. Nikolova, E. Stefanova, O. Konstantinov, D. Petrova and M. Nikolova), 2017, Prosveta - Sofia AD. (in Bulgarian)