The impact of instructional design - learning according to the Kagan structures in the achievement of the first grade students in mathematics. Al-Adab Journal, [S. l.], v. 2, n. 132, p. 181–204, 2020. DOI: 10.31973/aj.v2i132.789. Disponível em: https://aladabj.uobaghdad.edu.iq/index.php/aladabjournal/article/view/789.. Acesso em: 19 may. 2024.