Dang , T.H. et al. 2026. Room-Temperature Electrocaloric Enhancement in Barium Titanate Thin Films by Zirconium Doping. Engineering and Technology For Sustainable Development. 36, 1 (Mar. 2026), 024–031. DOI:https://doi.org/10.51316/jst.188.etsd.2026.36.1.4.