N. H. Shekho and H. A. Mahmoud, “Spectrophotometric Determination of Chromium Using Promethazine Hydrochloride - Application in Various Sample”, IHJPAS, vol. 29, no. 2, pp. 130–143, Mar. 2017, Accessed: Nov. 24, 2024. [Online]. Available: https://jih.uobaghdad.edu.iq/index.php/j/article/view/91