AL LAHIBI, A.; احمد. The effect of the flexible group strategy on the acquisition of historical concepts among first-grade intermediate students. Journal of Education for the Humanities , [S. l.], v. 3, n. 11, p. 425–446, 2025. Disponível em: https://rjps.uomosul.edu.iq/index.php/jeh/article/view/5879. Acesso em: 4 aug. 2025.