Chusaini M, Setijono H, Mintarto E. THE 50 M FREE STYLE SWIMMING STROKE SPEED IMPROVEMENT BY USING HAND PADDLE SWIM AND PARACHUTE SWIM. jipes [Internet]. 2020Jul.1 [cited 2025Apr.21];6(01):7 - 16. Available from: http://103.8.12.212:33180/unj/index.php/jipes/article/view/17010