Armen, M. and Fitri Rahmadani, A. 2019. Development of Learning Media Swimming Freestyle Based on Macromedia Flash 8 on Students Class VIII SMPN 2 Padang. KnE Social Sciences. 3, 15 (Mar. 2019), 205–221. DOI:https://doi.org/10.18502/kss.v3i15.4368.