Jumaking, Jumaking, Rosti Rosti, and Hasnani Hasnani. “Survei Tingkat Kedisiplinan Siswa Pada Kegiatan Ekstrakurikuler Karate”. STAMINA 5, no. 7 (September 30, 2022): 287-294. Accessed July 3, 2024. http://stamina.ppj.unp.ac.id/index.php/JST/article/view/1135.