Mardhiahtul Iftiah Ariffin, Norli Abdullah, Noor Azilah Kasim, Siti Hasnawati Jamal and Noor Aisyah Ahmad Shah 2018. SOLID METAL OXIDE CATALYSTS: SYNTHESIS AND CHARACTERISATION. Zulfaqar Journal of Defence Science, Engineering & Technology. 1, 1 (Jun. 2018).