Relationship Between Burnout Level and Mental Toughness in Basketball Athletes PORPROV Sinjai. Compet. J. Pendidik. Kepelatihan Olahraga [Internet]. 2025 Oct. 31 [cited 2025 Dec. 7];17(3):3078-86. Available from: http://competitor.ojsunm.ac.id/index.php/competitor/article/view/446