Y. Rahmayanti, S. Saifuddin, and Y. Yazir, “The Influence of Basic Technique Practice of Soccer to the Strength of Leg Muscle and the Content of Blood Myoglobin of the Soccer Player inthe Sport Social School Real Madrid Faundation Aceh”, J Indon Med Assoc, vol. 68, no. 1, pp. 35-38, Oct. 2019.