Wibowo, Danan Satriyo, Ahmad Sulaiman, and Jepri Akbar. “Psychological Support for the Mental Toughness of Tae Kwon Do Athletes”. JUMORA: Jurnal Moderasi Olahraga 4, no. 1 (June 30, 2024): 98–109. Accessed November 21, 2024. https://jurnal.umnu.ac.id/index.php/mor/article/view/1145.