Sklyarova, Lyudmila. “DISTANCE LEARNING TECHNOLOGIES IN ADVANCED TRAINING AND PROFESSIONAL RETRAINING OF EDUCATION PERSONNEL”. Journal of Contemporary World Studies 2, no. 1 (February 19, 2024): 59–62. Accessed May 29, 2025. https://bestjournalup.com/index.php/jcws/article/view/lyudmila.