Asmara, Anjar, Nisaul Kamila, and Nisaul Kamila. 2024. “OPTIMISATION OF SULFURIC ACID CONCENTRATION FOR ENHANCED FE2+ ION REMOVAL USING ACTIVATED CHARCOAL FROM BOILED PEANUT SHELLS: CHARACTERISATION AND PERFORMANCE EVALUATION”. Lingkar: Journal of Environmental Engineering 5 (1):10-18. https://journal.ar-raniry.ac.id/lingkar/article/view/5080.