Allung, Jemris R, Soegiyanto Soegiyanto, and Donny Wira Yudha Kusuma. 2018. “Evaluating Coaching Achievement Taekwondo Sports Branch of Students Development Center and Sport Training NTT”. Journal of Physical Education and Sports 8 (2), 116-20. https://journal.unnes.ac.id/sju/jpes/article/view/27486.