Glukhov, Gennady Vasilyevich, and Tatiana Vladimirovna Gromova. “Functional Components and Roles of the University Teacher in Distance Education”. International Review of Management and Marketing, vol. 6, no. 5S, Aug. 2016, pp. 235-42, https://econjournals.com./index.php/irmm/article/view/2825.