THEORETICAL FOUNDATIONS OF STUDYING THE FORMATION OF CHARACTER TRAITS IN SCHOOLCHILDREN. Proximus Journal of Sports Science and Physical Education, [S. l.], v. 1, n. 10, p. 53–57, 2024. Disponível em: https://proximusjournal.com/index.php/PJSSPE/article/view/140.. Acesso em: 19 nov. 2024.