Mohamad, Sh.H., Sh.L Al-Najafi, and AM. Al-Abachi. “Spectrophotometric Determination of Promethazine in Pharmaceutical Preparations”. Journal of Education and Science (JES) 18, no. 2 (March 1, 2006): 33–41. Accessed August 6, 2025. https://ojs.uomosul.edu.iq/index.php/edusj/article/view/23567.