Bryantseva, M. V., V. K. Vittenbek, K. P. Yadrov, D. A. Pastukhova, and G. P. Ivanova. “Study on The Motivation and Needs of Students For E-Learning at A University”. Amazonia Investiga, vol. 8, no. 24, Nov. 2019, pp. 431-40, https://amazoniainvestiga.info/index.php/amazonia/article/view/1003.