TI - Effect of Graphene-TiO2 on the Photodegradation of Olive Mill Effluent and Recovery of Graphene-TiO2 AU - ALİCANOÄžLU, P. AU - ULUSOY, Ã. AU - SPONZA, D.T. SO - Sigma Journal of Engineering and Natural Sciences 2017;8:227-234. DO -