Kaniawati, Nina, Muhamad Iqbal, Lubis Bambang Purnama, and Neneng Yety Hanurawaty. 2025. “Variation in Ultraviolet (UV-C) Contact Time Using Solar Panels on the Reduction of Total Coliform in Clean Water at PT. X, Sumedang Regency”. Banua: Jurnal Kesehatan Lingkungan 5 (2):83-92. https://doi.org/10.33860/bjkl.v5i2.4219.