Sukma, Muhamad, Febi Kurniawan, and Fahrudin Fahrudin. “Survei Self Confidance Pada Peserta Ekstrakurikuler Futsal Di SMAN Se-Kecamatan Klari Kabupaten Karawang”. Jurnal Speed (Sport, Physical Education, Empowerment) 2, no. 2 (November 15, 2019): 31–38. Accessed November 19, 2024. https://journal.unsika.ac.id/speed/article/view/3377.