Al-Saidi KH, Hammza RA. Spectrophotometric Determination of Promethazine Hydrochloride and Paracetamol in Pharmaceutical Tablets. Al-Nahrain J. Sci. [Internet]. 2018 Jul. 3 [cited 2026 May 22];17(1):14-23. Available from: https://mail.anjs.edu.iq/index.php/anjs/article/view/475