Tue Ngoc Nguyen, Khanh Quoc Dang and Duc Trung Nguyen 2021. Adsorptive removal of methyl orange and methylene blue from aqueous solutions with Acacia crassicarpa activated carbon. Vietnam Journal of Science, Technology and Engineering. 63, 4 (Dec. 2021), 23-27. DOI:https://doi.org/10.31276/VJSTE.63(4).23-27.