Susianti, Evi, and Tedi Purbangkara. “The Level of Confidence of Tirtajaya Vocational High School Students in Taekwondo Extracurricular Activities”. Edumaspul: Jurnal Pendidikan 7, no. 2 (October 1, 2023). Accessed April 5, 2026. https://jurnal.unimen.cloud/index.php/maspuljr/article/view/6625.