Riaz, N. and Chong, F.K. and Man, Z.B. and Khan, M.S. and Dutta, B.K. (2013) Photodegradation of orange II under visible light using Cu-Ni/TiO 2: Influence of Cu: Ni mass composition, preparation, and calcination temperature. Industrial and Engineering Chemistry Research, 52 (12). pp. 4491-4503. ISSN 08885885