Al-Abachi, Mouayed Q, and Sadeem Subhi. 2013. “Flow Injection-Spectrophotometric Determination of Phenylephrine Hydrochloride and Amoxicillin Trihydrate in Pharmaceutical Preparations”. Al-Nahrain Journal of Science 16 (1), 42 - 52. https://anjs.edu.iq/index.php/anjs/article/view/711.