Allwar, A., Noor, A. M. and Nawi, M. A. M. (2012) “Preparation And Characterization Of Microporous Activated Carbon From Oil Palm Shell By Physical Activation Using Purified Nitrogen”, EKSAKTA: Journal of Sciences and Data Analysis, 12(2). Available at: https://journal.uii.ac.id/Eksakta/article/view/2536 (Accessed: 27 April 2024).