Khadija Jabbar Ali, and Jameelah Lateef Mutasher. “Preparation of A New Azo-Reagent Derivative from 8-Hydroxy Quinoline for Determination of Copper (II) Ion Using Spectrophotometric Technique”. Migration Letters, vol. 20, no. S6, Sept. 2023, pp. 154-66, doi:10.59670/ml.v20iS6.3942.