“Synthesis, Spectroscopic and Dyeing Performance Studies of Some New Heterocyclic Azo Dyes and Their Complexes with Selected Metal Ions”, IHJPAS, vol. 23, no. 1, pp. 199–216, May 2017, Accessed: May 01, 2024. [Online]. Available: https://jih.uobaghdad.edu.iq/index.php/j/article/view/1003