1. A Comparative Study between Photocatalytic activity of ZnO/bentonite Composites Prepared by Precipitation, Liquid-state Ion Exchange and Solid-state Ion Exchange Methods Bahareh Hakimi; Mohammad Ghorbanpour; Atabak Feizi Volume 3, Issue 3, Summer 2018, Pages 273-278 10.22090/jwent.2018.03.008 View Article PDF 917.76 K