PELAKSANAAN EKSTRAKURIKULER BERNYANYI DI SMP NEGERI 12 PADANG. Avant-garde: Jurnal Ilmiah Pendidikan Seni Pertunjukan, [S. l.], v. 4, n. 2, p. 278–284, 2026. DOI: 10.24036/rx4jss74. Disponível em: https://avant-garde.ppj.unp.ac.id/index.php/avant-garde/article/view/309. Acesso em: 9 may. 2026.