Doping TiO2 by Cr from tannery wastewater for improving its activity under visible light in the dye degradation Endang Tri Wahyuni*, Sri Wahyuni, Mandrea Nora, Novianti Dwi Lestari, Suherman Suherman, 10.30495/ijc.2023.1973955.1980 XML Requires Subscription PDF Requires Subscription HTML downloads: 234 views: 20