Tamu, Ermantus Ndapa, and Pingky Alfa Ray Leo Lede. “Implementation of the Waterfall Method in Development of Geographic Information Systems Primary School (Case Study: Kambera District)”. Journal of Artificial Intelligence and Engineering Applications (JAIEA) 4, no. 3 (June 15, 2025): 2336–2343. Accessed February 10, 2026. https://ioinformatic.org/index.php/JAIEA/article/view/1160.