Supriyanto, Edy, 		Holikin, Ashanal, AND 		Suwardiyanto, Suwardiyanto.
" The thermal annealing effect on Crystal Structure and Morphology  of Titanium Dioxide (TiO2) powder" <em>Jurnal ILMU DASAR</em> [Online], Volume 15 Number 1 (7 August 2014)