Kartini, Kartini, Sugiyanto Sugiyanto, and Siswandari Siswandari. 2018. “Development of Training Model of Pencak Silat Dropping Technique in Match Category Based on Biomechanical Analysis for Youth Athletes”. Journal of Education, Health and Sport 8 (12):135-48. https://apcz.umk.pl/JEHS/article/view/6356.