ABD, Kadgim; KADHIM, Ahmed. The Effect of a Training Program to Develop Speed Endurance and (YOYO) Test for Football Referees Level 2. Journal of Physical Education, Baghdasd, Iraq., v. 28, n. 3, p. 376–389, 2016. DOI: 10.37359/JOPE.V28(3)2016.1080. Disponível em: https://jcope.uobaghdad.edu.iq/index.php/jcope/article/view/1080.. Acesso em: 4 may. 2024.