Armen M, Fitri Rahmadani A. Development of Learning Media Swimming Freestyle Based on Macromedia Flash 8 on Students Class VIII SMPN 2 Padang. KSS [Internet]. 2019Mar.31 [cited 2024May6];3(15):205–221. Available from: https://knepublishing.com/index.php/KnE-Social/article/view/4368