OhikereH. I., YashimZ. I., & 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 - 279. https://doi.org/10.33003/fjs-2023-0701-1308