Iqbal, F. and Mumtaz, A. and Shahabuddin, S. and Abd Mutalib, M.I. and Shaharun, M.S. and Nguyen, T.D. and Khan, M.R. and Abdullah, B.  (2020) Photocatalytic reduction of CO2 to methanol over ZnFe2O4/TiO2 (p�n) heterojunctions under visible light irradiation.  Journal of Chemical Technology and Biotechnology, 95 (8).  pp. 2208-2221.  ISSN 02682575