Slikishina, Irina V., Maksim S. Mozharov, y Anna E. Mozharova. «Analysis of the Effectiveness of Group Tasks in E-Learning of Future Teachers». Opción 34, no. 87 (junio 6, 2019): 1163-1191. Accedido mayo 4, 2024. https://produccioncientificaluz.org/index.php/opcion/article/view/23911.