WIYONO, S. Improving the Ability to Sing Folk Songs through the "Project Based Learning" Model assisted by "Audio Song Program" Media. Educenter : Jurnal Ilmiah Pendidikan, [S. l.], v. 1, n. 12, p. 835–848, 2022. DOI: 10.55904/educenter.v1i12.786. Disponível em: https://jurnal.arkainstitute.co.id/index.php/educenter/article/view/786. Acesso em: 2 dec. 2024.