K.E, O. ., N.C, E. ., U.G, E. ., C.C, O. ., & C. C. , A. (2022). Comparative Study of the Adsorption Effects of Activated Carbons from Coconut Shell and Groundnut Shell as Absorbents for Metal Ions. European Journal of Applied Sciences, 10(4), 492–507. https://doi.org/10.14738/aivp.104.12764