Synthesis and characterization of MoVTeNb mixed oxides prepared by reflux and sol-gel methods - Che Ku Hitam, Che Ku Nor Liana; Mohd Yusof, Farrah Nadia; Ramli, Irmawati; Abdullah, Abdul Halim; Yap, Taufiq Yun Hin (Faculty of Science, Universiti Putra Malaysia, 2009)