Salal Al-Shouaily NR, Abd Al-Amer AN. The Effect Of Using Frank Lester’s Strategy In The Geometric Thinking Skills Of The Second Grade Intermediate School Female Students In Mathematics. Opción [Internet]. 3 de agosto de 2019 [citado 19 de noviembre de 2024];350:735-56. Disponible en: https://produccioncientificaluz.org/index.php/opcion/article/view/27426