Kahouadji, B. , Guerbous, L. , Lamiri, L. , Mendoud, A. (2014), 'Structural and Optical Properties of Ce3+ Doped YPO4: Nanophosphors Synthesis by Sol Gel Method', World Academy of Science, Engineering and Technology, Open Science Index 88, International Journal of Physical and Mathematical Sciences, 8(4), 638 - 641.