Petrov, Mihail, Vladimir Valkanov, and Stoyanova-DoychevaAsya. “Behaviour Analysis of Agents in Virtual Educational Space”. International Journal of Research in E-learning 6, no. 1 (June 29, 2020): 1-20. Accessed May 4, 2024. https://journals.us.edu.pl/index.php/IJREL/article/view/11024.