Ojiabo, Kenechukwu, David Eshiorenoya Ajayi, Patience Nwokoma, and Nicholas Nwankwo Okafor, trans. 2026. “Process Optimization of Chitosan Adsorption of Methylene Blue Dye from Aqueous Solution Using a Central Composite Design”. Souf Journal of Engineering and Sustainable Chemistry 2 (1): 001-009. https://sjescjournal.com/index.php/sjesc-journal/article/view/17.