KUSUMAH, A. . Teknik Improvisasi Gitar dalam Musik Keroncong. Journal of Music Science, Technology, and Industry, [S. l.], v. 4, n. 2, p. 263–277, 2021. Disponível em: https://jurnal.isi-dps.ac.id/index.php/jomsti/article/view/1797. Acesso em: 1 feb. 2023.