Ohikere HI, Yashim ZI, Nwokem NC. OPTIMIZATION OF ADSORPTION OF CONGO RED DYE FROM AQUEOUS SOLUTION WITH ACTIVATED CARBON FROM CASTOR SEED SHELL USING CENTRAL COMPOSITE DESIGN. FJS [Internet]. 2023Feb.28 [cited 2024Apr.25];7(1):271 -279. Available from: https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/1308