“Promethazine-HCl Determination Using Entrapped Persulphate in Water Crystals by Flow Injection / Stopped - Flow Technique and Ayah 3SX3-3D Solar Cell Micro Photometer” (2023) Iraqi Journal of Science, 56(1A), pp. 25–37. Available at: https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/10593 (Accessed: 27 July 2025).