LATIFAH, D.; MILYARTINI, R. Development of Vocal Teaching Materials Based on Keroncong Singing Or- naments to Strengthen Western Vocal Technique. Panggung, [S. l.], v. 27, n. 4, 2017. DOI: 10.26742/panggung.v27i4.289. Disponível em: https://jurnal.isbi.ac.id/index.php/panggung/article/view/289. Acesso em: 11 mar. 2025.