Al-Hemiri, A.A., Nejmaldin, G.F. and Mohammed, W.T. (2002) “Vapor Phase Oxidation of Benzoic Acid to Phenol using Nickel-Iron Oxides Catalysts”, Iraqi Journal of Chemical and Petroleum Engineering, 3(4), pp. 13–18. doi:10.31699/IJCPE.2002.4.3.