Handoko, Chanel Tri, Tri Budi Yanti, Halimatus Syadiyah, and siti marwati. “USE OF PRESIPITATION METHODS TO REDUCE Cu IN THE LIQUID WASTE INDUSTRY LIQUID IN KOTAGEDE”. Jurnal Penelitian Saintek 18, no. 2 (August 8, 2014). Accessed January 7, 2026. https://journal.uny.ac.id/index.php/saintek/article/view/2140.