Young, Na Jin, Lusiana Idawati, and Ardi Ardi. “Christian Leadership in Sports Education The Holistic Transformation Through Taekwondo Class in Jakarta”. Jurnal Pendidikan dan Konseling (JPDK) 4, no. 5 (September 11, 2022): 1330–1337. Accessed January 6, 2025. https://journal.universitaspahlawan.ac.id/index.php/jpdk/article/view/6773.