“SYNTHESIS AND CHARACTERIZATION OF LEAD-FREE PIEZOELECTRIC (K0.5Na0.5)NbO3 PRODUCED WITH IMPROVED CALCINATION TEMPERATURE”. Jurnal Teknologi (Sciences & Engineering) 82, no. 2 (March 1, 2020). Accessed September 13, 2026. https://journals.utm.my/jurnalteknologi/article/view/13992.