Astoeti, Dileli Dharma, Herry Tjahjono, and Angeline Novia Toemon. “Analysis of Water Quality in the Riverside Residential Area of the Kahayan River, Palangka Raya”. TRANSPUBLIKA INTERNATIONAL RESEARCH IN EXACT SCIENCES 4, no. 3 (July 22, 2025): 116–125. Accessed April 27, 2026. https://ojs.transpublika.com/index.php/TIRES/article/view/1832.