CAMPBELL, M. M. Motivational Systems Theory And The Academic Performance Of College Students. Journal of College Teaching & Learning (TLC), [S. l.], v. 4, n. 7, 2007. DOI: 10.19030/tlc.v4i7.1561. Disponível em: https://clutejournals.com/index.php/TLC/article/view/1561. Acesso em: 18 jul. 2024.