S. IBRAHIM, H.; A. OGISTEEN, T. Establishing grades and standard levels of some track and field for freshmen students. Al-Rafidain Journal For Sport Sciences, [S. l.], v. 15, n. 51, p. 94–121, 2009. DOI: 10.33899/rajsport.2009.6103. Disponível em: https://rsprs.uomosul.edu.iq/index.php/rsprs/article/view/50783. Acesso em: 2 oct. 2025.