Shakir K, Mohammed D. Spectrophotometric Determination of Doxycycline Hydrochloride in its pure form and its pharmaceutical preparations using reagent 2,4,6 - tribromo-anline by the Azo coupling reaction. JWUPS [Internet]. 2025 Aug. 11 [cited 2025 Sep. 9];1(4). Available from: https://edusj.uomosul.edu.iq/index.php/jwups/article/view/28985