PERWIRA, E. D. Music Composition “Kala Senja” (Melody Variation Overview) . Virtuoso: Jurnal Pengkajian dan Penciptaan Musik, [S. l.], v. 5, n. 1, p. 19–27, 2022. DOI: 10.26740/vt.v5n1.p19-27. Disponível em: https://journal.unesa.ac.id/index.php/Virtuoso/article/view/17121. Acesso em: 4 may. 2024.