HAZIM, qusay; AYAD SIDDIQ SAADOUN MULLA HUSSEIN, L. The effectiveness of the gradual activities strategy in acquiring achievement for the javelin throwing event. College of Basic Education Research Journal, [S. l.], v. 20, n. 4, p. 625–651, 2024. DOI: 10.33899/berj.2024.185731. Disponível em: https://moss.uomosul.edu.iq/index.php/berj/article/view/37904. Acesso em: 26 oct. 2025.