A.A, O. et al. 2015. Suppression of Anatase to Rutile Phase Transformation of Niobium doped TiO2 Synthesized by High Temperature Diffusion Technique. International Journal for Innovation Education and Research. 3, 6 (Jun. 2015), 140–146. DOI:https://doi.org/10.31686/ijier.vol3.iss6.388.