MEFOH, P. C.; UNEGBU, S. O.; AWO, L. O. EFFECTS OF PERCEIVED REWARD AND PRACTICE ON ADOLESCENTS’ ARITHMETIC PROBLEM SOLVING. Social Science Research, [S. l.], v. 3, n. 1, 2019. Disponível em: https://journals.aphriapub.com/index.php/SSR/article/view/676. Acesso em: 8 may. 2024.