Amin, Nur, Hadi Subiyono, and Sri Sumartiningsih. “SUMBANGAN POWER OTOT TUNGKAI PANJANG TUNGKAI KEKUATAN OTOT PERUT TERHADAP GRAB START”. Journal of Sport Science and Fitness 1, no. 2 (1). Accessed February 9, 2026. https://journal.unnes.ac.id/sju/jssf/article/view/1527.