ANTONOV PURBA, R. Application design to help predict market demand using the waterfall method. Matrix : Jurnal Manajemen Teknologi dan Informatika, [S. l.], v. 11, n. 3, p. 140–149, 2021. DOI: 10.31940/matrix.v11i3.140-149. Disponível em: https://ojs2.pnb.ac.id/index.php/MATRIX/article/view/39. Acesso em: 20 nov. 2024.