Khwuta , Yoseph Dominikus Da Yen, Maria Adelvin Londa, and Yohanes Ardianus Wee. “Designing and Building a Business Data Collection Application Using the Waterfall Method”. Matrix : Jurnal Manajemen Teknologi dan Informatika 13, no. 1 (March 30, 2023): 42–51. Accessed December 22, 2024. https://ojs2.pnb.ac.id/index.php/MATRIX/article/view/853.