TANJUNG, R.; FAUZAN, M. N. SOSIALISASI COA KUARTET DAN EASY COA BAGI SISWA SMK BHAKTI NUSANTARA 666 CILEUNYI. JURNAL DAYA-MAS, [S. l.], v. 10, n. 1, p. 24–28, 2025. DOI: 10.33319/dymas.v10i1.163. Disponível em: http://dayamas.unmermadiun.ac.id/index.php/dayamas/article/view/163. Acesso em: 6 aug. 2026.