Alifah Hernanda, R. ., Fakhri Izzul Haq, M. ., Suprapto, S., & Lailun Ni’mah, Y. . (2025). Optimization of Fe Leaching Method for Indonesia Laterite Rocks using Experiment Design Central Composite Design (CCD)-Response Surface Methodology (RSM). Indonesian Journal of Chemical Analysis (IJCA), 8(1), 50–61. https://doi.org/10.20885/ijca.vol8.iss1.art5