Yoan Tulus Marpaung, Eka Abdurrahman, and Ramadan. “Mental Toughness of Badminton Athletes at Bina Guna College of Sports and Health: A Descriptive Mixed-Methods Study”. Musamus Journal of Physical Education and Sport (MJPES), Vol. 8, no. 4, Sept. 2026, pp. 1340-3, doi:10.35724/mjpes.v8i4.8005.