OhikereHussaina Ize, YashimZ. I., and NwokemN. C. 2023. “OPTIMIZATION OF ADSORPTION OF CONGO RED DYE FROM AQUEOUS SOLUTION WITH ACTIVATED CARBON FROM CASTOR SEED SHELL USING CENTRAL COMPOSITE DESIGN”. FUDMA JOURNAL OF SCIENCES 7 (1), 271 -79. https://doi.org/10.33003/fjs-2023-0701-1308.