M.alabidi, Hawraa, Ali M.alabidi, and Nahlah F Makki. 2018. “Synthesis And Spectroscopic Studying of New Azo Ligand From 2-Naphthol Derivative And It’s Complexes With Some Transition Metal Ions”. Al-Qadisiyah Journal of Pure Science 23 (1), 186 -95. https://doi.org/10.29350/jops.2018.23.1.731.