Valiyeva Elmira Valiyevna, and Kholikov Akmal Tojidinovich,. “Self-Study Courses on Physical Training and Sports Activities in the Conditions of Credit-Modular System of Teaching”. The Peerian Journal, vol. 7, June 2022, pp. 53-59, https://peerianjournal.com/index.php/tpj/article/view/254.