AMPADU, E. . Mathematics Teachers’ Perceptions about Problem-Solving: The case of Ghana : Mathematics Teachers’ Perceptions about Problem-Solving: The case of Ghana . The Oguaa Educator, [S. l.], v. 13, p. 1–18, 2019. DOI: 10.47963/toe.v13i.220. Disponível em: https://journal.ucc.edu.gh/index.php/oguaaeducator/article/view/220. Acesso em: 22 dec. 2024.