“ISSUES OF USING ELECTRONIC TEXTBOOKS IN THE PROCESS OF PROFESSIONAL IMPROVEMENT OF FOOTBALL COACHES”, ijai, vol. 5, no. 02, pp. 1445–1451, Mar. 2025, Accessed: Jul. 12, 2026. [Online]. Available: https://www.academicpublishers.org/journals/index.php/ijai/article/view/3098