Gustriyadi E, Sihombing V, Masrizal M, Adi PDPA. A Real-Time Web Information System Based on A Global Positioning System for Monitoring Environmental Pollution. J. Ris. Inform. [Internet]. 2022 Dec. 15 [cited 2025 Dec. 30];5(1):165-70. Available from: https://ejournal.kresnamediapublisher.com/index.php/jri/article/view/204