DENTA CHRISTIAN KARTHIKA, GUIDO. METODE LATIHAN PADUAN SUARA UNIVERSITAS AIRLANGGA OLEH YOSAFAT RANNU LEPPONG. Jurnal Pendidikan Sendratasik, [S. l.], v. 4, n. 1, 2016. DOI: 10.26740/jps.v4n1.p%p. Disponível em: https://ejournal.unesa.ac.id/index.php/jurnal-pendidikan-sendratasik/article/view/16371. Acesso em: 24 apr. 2025.