Osuide, M O, V U Okojie, F E Igbinavbiere, and C M A Ademoroti. “Comparative Studies on the Adsroption Properties of Powdered Activated Carbon and Propenoic Acid Modified Sawdust in the Treatment of Secondary Palm Oil Mill Effluent”. Biological Sciences - PJSIR 49, no. 5 (October 23, 2006): 335–340. Accessed November 22, 2024. https://v2.pjsir.org/index.php/biological-sciences/article/view/1243.