Shereen F. A. Farah, Yousif Sulfab and Rohana A. “Kinetics and mechanism of oxidation of some nickel(II)-imine-oxime complexes by peroxodisulfate in aqueous acidic solutions”have been published on Transition Met Chem http://link.springer.com/article/10.1007/s11243-014-9797-x?no-access=true