Yevtuch M, Fedorets V, Klochko O. METHODOLOGICAL REFLECTION ON THE HETEROCHRONIA IN THE CONTEXT OF DEVELOPMENT OF A HEALTH PRESERVING COMPETENCE OF A PHYSICAL EDUCATION TEACHER. SIE [Internet]. 2020 May 20 [cited 2024 Dec. 22];2:467-83. Available from: https://journals.rta.lv/index.php/SIE/article/view/4923