BOUDJADAR, S, S MAHMOUDI, and L GUERBOUS. 2010. “THE EFFECT OF IRON CONTENT ON THE PHASE TRANSFORMATION OF TIO2 NANOCRISTALLINE POWDERS PREPARED BY SOL GEL PROCESS”. Sciences & Technology. A, Exactes Sciences, no. 32 (December):43-48. https://revue.umc.edu.dz/a/article/view/19.