عدنان عبد المالك م. “Synthesis of 1,2,4-Oxadiazolidine Derivatives from 1,3-Cycloaddition Reaction of Nitrones onto Schiff Bases”. College of Basic Education Research Journal, vol. 5, no. 3, Aug. 2007, pp. 207-13, doi:10.33899/berj.2007.Vol5.Iss3.39216.