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):793-803. https://doi.org/10.59934/jaiea.v5i1.1465.