Huda, Khoirul, Hadi Subiyono, and Sutardji -. “SUMBANGAN KECEPATAN, BERAT BADAN, DAYA LEDAK TERHADAP LOMPAT JAUH”. Journal of Sport Science and Fitness 1, no. 1 (1). Accessed May 1, 2024. https://journal.unnes.ac.id/sju/jssf/article/view/209.