“Spectrophotometric Determination of Thymol in Pharmaceutical Preparations Via Oxidative Coupling Reaction with 2,4- dinitrophenylhydrazine in the Presence of Potassium Periodate”, Iraqi Journal of Science, vol. 55, no. 1, pp. 27–34, Dec. 2023, Accessed: May 19, 2024. [Online]. Available: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/11921