Irham, Yoyon, Nurul Ihsan, Gusril, and Aldo Naza Putra. “The Effect of Training Media and Playing Concentration on the Shooting Accuracy of Petanque Athletes at Universitas Negeri Padang”. Gladi : Jurnal Ilmu Keolahragaan 13, no. 03 (November 8, 2022): 330–346. Accessed November 22, 2024. https://journal.unj.ac.id/unj/index.php/gjik/article/view/29181.