Vaganova, Olga I., Irina V. Rudenko, Server N. Bekirov, Leviza I. Abbasova, and Maxim M. Kutepov. “Modern Technologies of Adult Education”. Amazonia Investiga 9, no. 28 (April 21, 2020): 57–64. Accessed October 12, 2025. https://mail.amazoniainvestiga.info/index.php/amazonia/article/view/1281.