MABUTA, K. D. .; HILL , C. R. .; MALE, L. . Achievement goals and self-determined motivation in Botswana elite youth athletes: An extension of Achievement Goals and Self-Determination Theories. African Journal for Physical Activity and Health Sciences, [S. l.], v. 27, n. 2, p. 175–191, 2021. DOI: 10.37597/ajphes.2021.27.2.4. Disponível em: https://www.ajol.info/index.php/ajpherd/article/view/212555. Acesso em: 12 nov. 2026.