Tran, V. D. N. et al. (2026) “Effect of SrTi0.875Nb0.1O3 Doping on Energy Storage Density of Lead-Fee Bi0.5Na0.5TiO3-BaTiO3 Based Piezoelectric Ceramics”, Engineering and Technology For Sustainable Development, 36(1), pp. 017–023. doi: 10.51316/jst.188.etsd.2026.36.1.3.