Al-Qadir Al chalabi FA, Khazaal Al-saadi RR. The Effect Of Using Pirie And Kieran’s Model To Acquire Concepts At The First Year Intermediate Female Students In Mathematics. Opción [Internet]. 13 de agosto de 2019 [citado 5 de mayo de 2024];350:175-93. Disponible en: https://produccioncientificaluz.org/index.php/opcion/article/view/30806