Maarouf, Mohammad, Bassam Kahila, and Ammar Ismaiel. “Chemical Analytical Study for Determination Nickel (II) in Aqueous Solutions Using Organic Reagent (HPHMAB) by Spectrophotometric Method”. Tishreen University Journal -Basic Sciences Series 41, no. 2 (April 29, 2019). Accessed November 24, 2024. https://journal.tishreen.edu.sy/index.php/bassnc/article/view/8650.