Protas М.; Ivashchenko О.; Kravchuk Т. Influence of Combined Fitness Classes on Physical Preparedness and Posture Formation in Primary School Children. Journal of Learning Theory and Methodology, Kharkiv, Ukraine, v. 4, n. 2, p. 50–56, 2023. DOI: 10.17309/jltm.2023.2.02. Disponível em: https://ltmjournal.com/e/article/view/74. Acesso em: 13 jun. 2026.