ALETAN, M. S. .; KUKU, O. O. . Effectiveness of frequency of testing on anxiety and achievement in mathematics among secondary school students in Ogun state, Nigeria: Effectiveness of frequency of testing on anxiety and achievement in mathematics among secondary school students in Ogun state, Nigeria. Ghana Journal of Education: Issues and Practice (GJE), [S. l.], v. 3, p. 15–35, 2017. DOI: 10.47963/gje.v3i.486. Disponível em: https://journal.ucc.edu.gh/index.php/gje/article/view/486. Acesso em: 3 jul. 2024.