Al-Hasani, T.J., Z.A. Al-witry, and R.A. Hashim. “Synthesis and Characterization of Ag+ ,Pb+2 ,Fe+3 ,Cr+3 Complexes With the New Antipyrene – Azo Ligand”. Ibn AL-Haitham Journal For Pure and Applied Sciences 22, no. 2 (August 13, 2017). Accessed March 25, 2025. https://jih.uobaghdad.edu.iq/index.php/j/article/view/1251.