Mezaal, E. N., Sadiq, K. A., Zaki, A. N. and Rumez, R. M. (2017) “Spectrophotometric Determination of Cu(II) by Complex with Ethyl Cyano(2-Methyl Carboxylate Phenyl Azo Acetate) (ECA)”, Ibn AL- Haitham Journal For Pure and Applied Sciences, 30(1), pp. 96–106. Available at: https://jih.uobaghdad.edu.iq/index.php/j/article/view/1063 (Accessed: 23 May 2022).