SAEED, Marb. Standardizing rest period between iterations according to the heart rate (140 / s) to develop special speed endure of running 800 meters for youth. Journal of Physical Education, Baghdasd, Iraq., v. 26, n. 4, p. 178–186, 2014. DOI: 10.37359/JOPE.V26(4)2014.562. Disponível em: https://jcope.uobaghdad.edu.iq/index.php/jcope/article/view/562.. Acesso em: 9 may. 2024.