YUSEFAH, DIAN. 2014. “PENGARUH SUHU KALSINASI TERHADAP UKURAN KRISTAL DAN ENERGI CELAH PITA KOMPOSIT TiO2-SiO2 THE EFFECT OF CALCINATION TEMPERATURE ON THE CRYSTAL SIZE AND THE BAND GAP ENERGY TiO2-SiO2 COMPOSITES”. Unesa Journal of Chemistry 3 (1). https://doi.org/10.26740/ujc.v3n1.p%p.