Astuti, Dwi, Normah Awang, Mohd Sham Bin Othman, Nurul Farahana Binti Kamaludin, Chan Kok Meng, and M. Mutalazimah. “Analysis of Heavy Metals Concentration in Textile Wastewater in Batik Industry Center”. Jurnal Penelitian Pendidikan IPA 9, no. 3 (March 31, 2023): 1176–1181. Accessed May 20, 2024. https://jppipa.unram.ac.id/index.php/jppipa/article/view/3085.