Hadzhikolev E, Hadzhikoleva S, Hristov H, Yonchev E, Tsvetkov V. Modeling of Pedagogical Patterns in an E-learning System. Int. J. Emerg. Technol. Learn. [Internet]. 2021 Dec. 21 [cited 2024 Apr. 27];16(24):pp. 205-219. Available from: https://online-journals.org/index.php/i-jet/article/view/26775