STROK A, KHARAZIAN L. IMPROVING THE MILITARY-APPLIED PHYSICAL FITNESS OF PUPILS OF THE X CLASSES OF INSTITUTIONS OF THE CADET EDUCATION SYSTEM IN OPTIONAL CLASSES. Вестник Полоцкого государственного университета. Серия E. Педагогические науки [Internet]. 2021Nov.26 [cited 2025Apr.4];(15):69-73. Available from: https://journals.psu.by/pedagogical/article/view/1111