1. Serbezova, I.: Interactive technologies in the training of future medical specialists. Scientific works of the University of Ruse - 2011, vol. 50, series 8.1. (2011). (in Bulgarian)
2. Hristova, T.A.: Optimizing Health Care Through Educational Videos. Rousseau University Publishing House “Angel Kanchev” (2021)
3. Meryn, S.: Multimedia communication: quo vadis. Med. Teach. 2, 87–90 (1998)
4. Hurtubise, L., Martin, B., Gilliland, A., Mahan, J.: To play or not to play: leveraging video in medical education. J. Grad Med. Educ. 5(1), 3–18 (2013). https://doi.org/10.4300/JGME-05-01-32
5. Gyurova, V.: Greta Dermendzhieva, Emil Varbanov, Silvia Varbanova. The provocation is a learning process. Asconi publishing house, Sofia. (1997). (in Bulgarian)