Abu Al-Hassan Rouf Mahmoud, Mustafa Abdel Karim Laibi, Ameer Jasim Muhammad. The effect of special exercises according to the relative speed in the development of some physical abilities and the achievement of men's 400-meter run. Int J Yogic Hum Mov Sports Sciences 2023;8(1):86-90. DOI:
https://doi.org/10.22271/yogic.2023.v8.i1b.1380