MOHAMMED SAMI, O.; HAZEM MUHAMMAD, Q.; FATTAH RASHEED, A. The effect of peer teaching and flexible grouping strategies on skill achievement of the most important offensive skills in handball. College of Basic Education Research Journal, [S. l.], v. 21, n. 1, p. 528–560, 2025. DOI: 10.33899/berj.2025.187021. Disponível em: https://moss.uomosul.edu.iq/index.php/berj/article/view/38239. Acesso em: 26 oct. 2025.