Dahlan, Nur Dalilah, and Tajul Arifin Muhamad. “Mental Toughness and Academic Achievement Among Footballers at National University of Malaysia: Kekuatan Mental Dan Prestasi Akademik Atlet Bola Sepak Universiti Kebangsaan Malaysia”. Jurnal Sains Sukan & Pendidikan Jasmani 6, no. 1 (May 5, 2017): 21–35. Accessed December 4, 2024. https://ejournal.upsi.edu.my/index.php/JSSPJ/article/view/945.