Ampadu, Ernest. “Mathematics Teachers’ Perceptions about Problem-Solving: The Case of Ghana : Mathematics Teachers’ Perceptions about Problem-Solving: The Case of Ghana”. The Oguaa Educator 13 (June 1, 2019): 1–18. Accessed December 22, 2024. https://journal.ucc.edu.gh/index.php/oguaaeducator/article/view/220.