A. I. Hanafy, I. O. Ali, Z. M. El-Bahy, and K. H. Mahmoud, “Preparation of La0.7Ca0.3Mn0.95Fe0.05O3 perovskites by different methods: Catalytic activity towards the hydroxylation of benzene”, Eur. J. Chem., vol. 4, no. 3, pp. 272–276, Sep. 2013.