Upadana, Made Dwiyana Surya, and Akmal Hafiudzan. “Analysis of Potential Areas of Plastic Waste Pollution Sources into the Ciliwung River Based on GIS and Multi-Criteria Decision Analysis (MCDA)”. Journal of Geosciences and Environmental Studies, vol. 2, no. 3, Nov. 2025, p. 20, doi:10.53697/ijgaes.v2i3.4975.