1.
Djalev L, Bogdanov S. Age and Gender Differences in Evaluating the Pedagogical Usability of E-Learning Materials. ESNBU [Internet]. 2019 Dec. 30 [cited 2024 Nov. 21];5(2):169-8. Available from: https://ojs.nbu.bg/index.php/ESNBU/article/view/265