Denins, Andris. “DISTANCE LEARNING PROBLEMS AND ITS SOLUTIONS”. Distance Education in Ukraine: Innovative, Normative-Legal, Pedagogical Aspects 1, no. 1 (September 2, 2021): 17–24. Accessed March 29, 2024. https://jrnl.nau.edu.ua/index.php/DEU/article/view/15732.