Durrani, S. K., N. Hussain, K. Saeed, N. Ahmad, N. K. Qazi, M. Ahmad, and M. Siddique. “CHARACTERIZATION AND ANALYSIS OF PEROVSKITE OXIDE Sr2FeCoO6 SYNTHESIZED BY GEL-COMBUSTION PROCESS”. The Nucleus 47, no. 1 (February 26, 2010): 17–23. Accessed April 24, 2024. http://www.thenucleuspak.org.pk/index.php/Nucleus/article/view/905.