et.al, S. M. A. (2017) “Synthesis and Characterization Chromogenic Reagent and Its Spectrophotometric Determination of Cu (Π)”, Al-Qadisiyah Journal of Pure Science, 19(1), pp. 60-66. Available at: https://journalsc.qu.edu.iq/index.php/JOPS/article/view/120 (Accessed: 5May2024).