ZIMU, P. M.; VAN HEERDEN , H. J. .; GRACE, J. M. . Cardiorespiratory fitness levels and body composition of adolescent learners from low and middle socioeconomic backgrounds in KwaZulu-Natal province, South Africa. African Journal for Physical Activity and Health Sciences, [S. l.], v. 29, n. 4, p. 446–462, 2023. DOI: 10.37597/ajphes.2023.29.4.9. Disponível em: https://www.ajol.info/index.php/ajpherd/article/view/260753. Acesso em: 7 oct. 2026.