عبدالله ع. The effect of adoption in 4H in the geographical survey of fourth-grade literary students in a geographical subject. College of Basic Education Research Journal, [S. l.], v. 18, n. 2, p. 427–450, 2022. DOI: 10.33899/berj.2022.174499. Disponível em: https://jeh.uomosul.edu.iq/index.php/berj/article/view/38798. Acesso em: 27 oct. 2025.