Umkalthoum. A. Othman , Ftema W. Aldbea , Mabrouk Kraini , Noureddine Bouguila, Carlos Vázquez-Vázquez , Mustafa M. Abdalla and Rahdar Abbas, “Structural Properties of Zinc Oxide Powders prepared by Sol-Gel method”, JOPAS, vol. 18, no. 3, May 2019, doi: 10.51984/jopas.v18i3.237.