“Voltammetric Studies of Some Azo Compounds Derived from 4-Methyl-6,7-Dihydroxy Coumarin in Microemulsion and Aqueous Media”. JOURNAL OF ADVANCES IN CHEMISTRY, vol. 7, no. 1, Apr. 2011, pp. 1271-9, https://doi.org/10.24297/jac.v7i1.971.