Promethazine-HCl Determination Using Entrapped Persulphate in Water Crystals by Flow Injection / Stopped - Flow Technique and Ayah 3SX3-3D Solar Cell Micro Photometer. Iraqi Journal of Science. 2023;56(1A):25-37. Accessed May 20, 2024. https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/10593