ADU-TUTU BOFAH, E.; NTOW, F. D. . Internal/external frame of reference: exploring the paradoxical relations between mathematics and self-concept across 29 countries: Internal/external frame of reference: exploring the paradoxical relations between mathematics and self-concept across 29 countries. Ghana Journal of Education: Issues and Practice (GJE), [S. l.], v. 4, p. 44–59, 2017. DOI: 10.47963/gje.v4i.495. Disponível em: https://journal.ucc.edu.gh/index.php/gje/article/view/495. Acesso em: 28 apr. 2024.