SUKMA, M.; KURNIAWAN, F.; FAHRUDIN, F. Survei Self Confidance pada Peserta Ekstrakurikuler Futsal di SMAN Se-Kecamatan Klari Kabupaten Karawang. Jurnal Speed (Sport, Physical Education, Empowerment), [S. l.], v. 2, n. 2, p. 31–38, 2019. DOI: 10.35706/speed.v2i2.3377. Disponível em: https://journal.unsika.ac.id/index.php/speed/article/view/3377. Acesso em: 6 may. 2024.