Optimization of Physical Fitness Development for Primary School Learners in Physical Education Lessons. Baltic Journal of Sport and Health Sciences, [S. l.], v. 2, n. 93, 2014. DOI: 10.33607/bjshs.v2i93.114. Disponível em: https://journals.lsu.lt/baltic-journal-of-sport-health/article/view/114. Acesso em: 1 apr. 2025.