SEMBIRING, Piter; TIA DESTIANA PURI. Achievement and Goals in Private Music Learning: Pathways to Motivation and Musical Growth. Jurnal Pendidikan Non formal, [S. l.], v. 3, n. 2, p. 11, 2025. DOI: 10.47134/jpn.v3i2.2235. Disponível em: https://edu.pubmedia.id/index.php/jpn/article/view/2235. Acesso em: 4 jun. 2026.