SAGBAN, Mohammed khader. The effect of Posner model on the acquisition of historical concepts among students of the second intermediate grade. Al-Adab Journal, Baghdad, Iraq, v. 2, n. 136, p. 233–252, 2021. DOI: 10.31973/aj.v1i136.1026. Disponível em: https://aladabj.uobaghdad.edu.iq/index.php/aladabjournal/article/view/1026.. Acesso em: 19 dec. 2024.