Situmorang, Roy, Jeki Haryanto, alnedral alnedral, alnedral alnedral, and suci sari. “Kemampuan Daya Ledak Otot Lengan Dan Kemampuan Pukulan Groundstroke Tenis Lapangan Atlet Hitec Kota Padang”. Jurnal Gladiator 5, no. 8 (August 13, 2025): 1065-1074. Accessed August 19, 2025. http://gladiator.ppj.unp.ac.id/index.php/gltdor/article/view/2033.