The effect of the strategy Observe - reverse - explain in the acquisition of historical concepts for students of the literary fifth grade in the subject of history. Journal of the College of Basic Education, [S. l.], v. 2, n. SI, p. 656–676, 2022. DOI: 10.35950/cbej.v2iSI.5678. Disponível em: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/5678.. Acesso em: 16 may. 2025.