Hadi Kadhim, S., Noor Al –ShareefyA., and W. Abbas Jawad. “Preparation and Identification of Some Transition Metal Complexes of New Schiff Base Ligand Derived from 4-Aminoantipyrene”. Al-Qadisiyah Journal of Pure Science, Vol. 22, no. 4, June 2018, pp. 305 -19, https://journalsc.qu.edu.iq/index.php/JOPS/article/view/803.