Azhar , Khairul, Deddy Gusman, and Hanantatur Adeswastoto. “Web-Based Waste Reporting Application Analysis in Dinas Lingkungan Hidup Kabupaten Kampar”. Journal of Engineering Science and Technology Management (JES-TM) 2, no. 1 (March 2, 2022): 1–9. Accessed April 16, 2026. https://jes-tm.org/index.php/jestm/article/view/18.