Ivashchenko O, Khudolii O, Khudolii M. Physical Education of Schoolchildren as a Managed Learning Process: Theoretical and Methodological Foundations, a Systems Perspective, and Modelling. Teor. metod. fiz. vihov. [Internet]. 2026 Mar. 30 [cited 2026 May 14];26(2):223-9. Available from: https://www.tmfv.com.ua/journal/article/view/4190