Fachrul Ihsan, Muhammad, Ambrosius Purba, Hanna Goenawan, Ali Satia Graha, and Daniel Womsiwor. “Measurable Training Program to Improve Physical Performance: Literature Review”. Jurnal SPORTIF : Jurnal Penelitian Pembelajaran 7, no. 2 (August 6, 2021): 159–179. Accessed December 27, 2024. https://ojs.unpkediri.ac.id/index.php/pjk/article/view/16046.