Falaahudin, Ardhika, et al. “The Relationship Between Arm Muscle Strength, Leg Muscle Strength, Arm Power and Leg Power on the 25 Meter Crawl Style Swimming Achievement”. MEDIKORA, vol. 20, no. 1, Apr. 2021, pp. 93-102, doi:10.21831/medikora.v20i1.40109.