Irwanto A, Sumartiningsih S, Putra R, Wahyudi A. The Effect of Using Hand Paddles and Leg Loads on the Speed of 50 Meter Freestyle Swimming in Rejang Lebong Regency. JPES [Internet]. 30Dec.2022 [cited 2Jul.2024];11(4):510-6. Available from: https://journal.unnes.ac.id/sju/jpes/article/view/72908