Herdiansyah, Herdiansyah, Tatang Muhtar, and Muhammad Nur Alif. “Mental Imagery: Competitive Anxiety Control in Karate Kumite Athlete”. JUARA : Jurnal Olahraga 7, no. 3 (November 18, 2022): 833-843. Accessed March 28, 2024. http://jurnal.upmk.ac.id/index.php/juara/article/view/2448.