Zaikine, Oleg, Emma Kushtina, and Przemyslaw Rozewski. “Cognitive Approach to Distance Learning Materials Preparation Adapted to Asynchronous Mode”. Journal of Business Economics and Management 4, no. 4 (December 31, 2003): 222-227. Accessed September 19, 2024. https://tede.vgtu.lt/index.php/JBEM/article/view/8298.