Supriyanto, E., 		Holikin, A., & 		Suwardiyanto, S.
(2014).
 The thermal annealing effect on Crystal Structure and Morphology  of Titanium Dioxide (TiO2) powder.
<em>Jurnal ILMU DASAR, 15</em>(1), 37-41.
doi:10.19184/jid.v15i1.638