“Batch and Flow Injection Spectrophotometric Determination of Tetracycline Hydrochloride and Doxycycline Hyclate in Pharmaceutical Preparations”.
Iraqi Journal of Science, vol. 56, no. 2A, Apr. 2023, pp. 909-20,
https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/10176.