Raihanuddin, Muhammad, and Kahar Kahar. 2026. “Effect of Coconut Shell Activated Carbon Adsorbent Media Particle Size on Reducing Iron (Fe) Content in Clean Water in Garut Food Industry, West Java”. Ruwa Jurai: Jurnal Kesehatan Lingkungan 20 (2):106-13. https://doi.org/10.26630/rj.v20i2.5263.