2023. Removal of Malachite Green from Aqueous Solution using Ficus Benjamina Activated Carbon-Nonmetal Oxide synthesized by pyro Carbonic Acid Microwave. Al-Khwarizmi Engineering Journal. 19, 2 (Jun. 2023), 26–38. DOI:https://doi.org/10.22153/kej.2023.03.002.