Karimi S, Shahvarani A, Haghverdi M. Assessment of Training Course with Reliance on Problem Solving Approach for Mathematics Teachers . Atenas [Internet]. 4 de enero de 2021 [citado 3 de julio de 2024];1(53):19-35. Disponible en: https://monografias.umcc.cu/index.php/atenas/article/view/85