Kurniawan, Ari, Wahyu Widiantoro, and Izzah Annisatur Rahma. “INVESTIGATION OF HARDINESS PERSONALITY ON POST-DEFEAT STRESS LEVELS IN FOOTBALL ATHLETES”. MEDIKORA 23, no. 2 (November 21, 2024): 86–94. Accessed February 12, 2026. https://jurnal.uny.ac.id/index.php/medikora/article/view/78642.