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 31 de julio de 2025];350:175-93. Disponible en: https://produccioncientifica.luz.edu.ve/index.php/opcion/article/view/30806