GEVORGYAN, Pargev. PROBLEMS OF HEALTH-PRESERVING EDUCATION IN MODERN SCHOOLS. Education in the 21st Century, [S. l.], v. 2, n. 4, p. 70–75, 2023. DOI: 10.46991/educ-21st-century.v2i4.10890. Disponível em: https://journals.ysu.am/index.php/Educ-21st-Century/article/view/10890. Acesso em: 21 nov. 2024.