M. V. Boguslavsky and E. V. Neborsky, “Development of learning management systems in the 1990s first quarter of the 21st century”, Pedagogika, vol. 88, no. 9, pp. 28–36, Sep. 2024, Accessed: Nov. 08, 2026. [Online]. Available: https://ojs.owebs.ru/pedagogika/article/view/30325