Fadhlina Che Ros, Shahrul Izwan Ahmad, Fadhlul Wafi Badrudin, Siti Hasnawati Jamal, Norli Abdullah and Norhana Abdul Halim 2022. INVESTIGATION ON PURITY AND THERMAL STABILITY OF Ag2O RAW MATERIAL USED TO SYNTHESIS Ag2Nb4O11 CERAMICS USING THERMAL AND PHASE ANALYSIS METHOD. Zulfaqar Journal of Defence Science, Engineering & Technology. 4, 2 (Jan. 2022).