KEVIN OCTAVIANUS MANURUNG. Design of a Mobile-Based Online Guitar Learning Platform Using the Agile Method. Jurnal Inovasi Informatika dan Bisnis Digital (JIIBD), [S. l.], v. 1, n. 2, p. 65–69, 2026. DOI: 10.59934/jiibd.v1i2.2223. Disponível em: https://mail.ioinformatic.org/index.php/JIIBD/article/view/2223. Acesso em: 17 apr. 2026.