“Simultaneous Ratio Derivative Spectrophotometric Determination of Paracetamol, Caffeine and Ibuprofen in Their Ternary Form”. Baghdad Science Journal 19, no. 6 (December 1, 2022): 1276. Accessed April 27, 2024. https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/6422.