Dewi, R., Krisman, K., Zulkarnaen, Z., Syahraini, R. A. ., & Husein, T. L. . (2020). THE DETERMINATION OF BARIUM STRONTIUM TITANATE THIN FILM BAND GAP ENERGY Ba0,15Sr0,85TiO3 USING ULTRAVIOLET-VISIBLE SPECTROSCOPY. Spektra: Jurnal Fisika Dan Aplikasinya, 5(1), 11–20. https://doi.org/10.21009/SPEKTRA.051.02