Khaleefa Alia, S.A., Ibrahimb, D.M. and Hussein, H.A. 2018. Parameters Affecting Dye Adsorption - Using Graphene Coated Sand (GSC). International Journal of Science and Engineering Invention. 4, 03 (Mar. 2018), 435 to 440. DOI:https://doi.org/10.23958/ijsei/vol04-i02/01.