Oktaria, Romi, Ridwan Sinurat, and Masdi Janiarli. “HUBUNGAN KEKUATAN OTOT LENGAN DAN PANJANG LENGAN DENGAN KEMAMPUAN LEMPAR CAKRAM SISWA KELAS XI IPS 1 SMA N 1 RAMBAH”. Journal Of Sport Education and Training 1, no. 1 (July 30, 2020): 1–8. Accessed June 13, 2021. https://journal.upp.ac.id/index.php/joset/article/view/415.