nurhasanah, rani, nuridin widya pranoto, Hadi Pery Fajri, and sonya nelson. “The Relationship Between Concentration Levels and Strike Outcomes of Woodball Athletes in West Sumatra: CONCENTRATION LEVELS”. Jurnal IKEOR 3, no. 2 (November 12, 2024). Accessed May 16, 2025. https://ikeor.ppj.unp.ac.id/index.php/ikeor/article/view/422.