Rifki Azfa Wirdiansyah 2025. Design and Construction of a Web-Based Sales Performance Monitoring Information System for PT Pertamina Gas Negara (Karawang) using Waterfall. Journal of Artificial Intelligence and Engineering Applications (JAIEA). 5, 1 (Oct. 2025), 793–803. DOI:https://doi.org/10.59934/jaiea.v5i1.1465.