Hanum, Farrah Fadhillah, Siti Salamah, Ahmad Rifai Sanuhung, and Budi Setya Wardhana. “Study on The Potential Contamination of Heavy Metals: Analysis of Cr and Pb Contents From Power Plants in Indonesia Using the Batch Leaching Method”. Sains Natural: Journal of Biology and Chemistry 14, no. 1 (February 1, 2024): 53–61. Accessed May 25, 2026. https://ejournalunb.ac.id/JSN/article/view/689.