The Effectiveness of Non-Formal Physical Education Curriculum for the Physical Development of 11-13-Year-Old Children. Baltic Journal of Sport and Health Sciences, [S. l.], v. 2, n. 97, 2015. DOI: 10.33607/bjshs.v2i97.87. Disponível em: https://journals.lsu.lt/baltic-journal-of-sport-health/article/view/87. Acesso em: 17 jun. 2025.