Ayubi, Rahman Tri, Ega Trisna Rahayu, and Siswanto Siswanto. “Pengaruh Latihan Speed Ladder Terhadap Kelincahan Dan Kecepatan Dalam Kegiatan Ektrakurikuler Futsal”. Jurnal Porkes 5, no. 2 (December 20, 2022): 551–561. Accessed May 2, 2024. https://e-journal.hamzanwadi.ac.id/index.php/porkes/article/view/6303.