Ghadban Ibrahim, Haider, y Muhammad Ghani Hussein. «Effect of Speed, Agility and Quickness (SAQ) Exercises on the Development of Physical Abilities of Soccer Referees in Iraq». SPORT TK-Revista EuroAmericana De Ciencias Del Deporte, vol. 12, noviembre de 2023, p. 28, doi:10.6018/sportk.592011.