Premana, Daluhana Dwi, Tandiyo Rahayu, and Tri Rustiadi. “The Effect of Training Methods and Arm Power on Freestyle Swimming Speed of Tirta Taruna Swimmers”. Journal of Physical Education and Sports 8, no. 4 (July 15, 2019): 26-31. Accessed December 27, 2024. https://journal.unnes.ac.id/sju/jpes/article/view/31558.