Dawood, A., S. Mohammed, and M. Mahmoud. “Synthesis, Identification and Biological Activity of New Heterocyclic Compounds from Reaction of New Schiff-Bases With Phathalic Anhydride”. Science Journal of University of Zakho, Vol. 8, no. 1, Mar. 2020, pp. 12-18, doi:10.25271/sjuoz.2020.8.1.641.