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 September 15, 2026. https://spafajournal.org/index.php/MATRIX/article/view/853.