Anisuzzaman, S.M., Sinring, N. and Fran Mansa, R. 2021. Properties Tuning of Palm Kernel Shell Biochar Granular Activated Carbon Using Response Surface Methodology for Removal of Methylene Blue. Journal of Applied Science & Process Engineering. 8, 2 (Oct. 2021), 1002-1019. DOI:https://doi.org/10.33736/jaspe.3961.2021.