Ušča, Svetlana, Irēna Žogla, and Lūcija Rutka. “Physical Balance of 12-13 Year Old Adolescents in Latvia: Problems and Solutions”. Social Welfare: Interdisciplinary Approach 6, no. 1 (June 27, 2016): 138–147. Accessed August 16, 2024. https://www.journals.vu.lt/social-welfare/article/view/28264.