Dewi, Rahmi, Wesly Arianto Manalu, Brian Noval Asrinaldo, Ari Sulistyo Rini, and Yanuar Yanuar. 2023. “CHARACTERIZATION OF ENERGY BAND GAP THIN FILM BaTiO3 – BaZr0.5Ti0.5O3 USING DIFUSION REFLECTANCE SPECTROSCOPY (DRS) METHOD”. Spektra: Jurnal Fisika Dan Aplikasinya 8 (1), 17 - 24. https://doi.org/10.21009/SPEKTRA.081.02.