EfendiDeni Kurniawan, and Gatut Rubiono. “Analisis Instrumen Pengukuran Kekuatan Pukulan Berbasis Peredam Kejut (Shock Breaker)”. Prosiding Seminar Nasional IPTEK Olahraga (SENALOG) 1, no. 1 (November 23, 2018): IKOR 30-34. Accessed May 21, 2024. https://ejournal.unibabwi.ac.id/index.php/semnassenalog/article/view/185.