Mortejo AL, Mortejo JC. The Effects of Positive Self-Talk Among Winning Athletes in Martial Arts: A Mixed-Methods Study. IMAC-J [Internet]. 2024 Apr. 15 [cited 2026 May 9];2(1):107-14. Available from: https://imacj.ppj.unp.ac.id/index.php/imacj/article/view/17