Finding grades and standard levels for some physical measurements and physical abilities in (speed and hurdles) activities for ages (12-13 years). Journal of the College of Basic Education, [S. l.], v. 24, n. 102, p. 861–876, 2022. DOI: 10.35950/cbej.v24i102.6371. Disponível em: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/6371.. Acesso em: 30 jun. 2024.