Olowoyo D. N. and Orere E. E. (2012) “Preparation and Characterization of Activated Carbon Made From Palm-Kernel Shell, Coconut Shell, Groundnut Shell and Obeche Wood (Investigation of Apparent Density, Total Ash Content, Moisture Content, Particle Size Distribution Parameters”, International Journal of Research in Chemistry and Environment (IJRCE), 2(3), pp. 32–35. Available at: https://ijrce.org/index.php/ijrce/article/view/295 (Accessed: 24 November 2024).