Dikran, S.B., Mohammed, A.K. and Al-Jumaily, A.K. (2017) “Univariate and Simplex Optimization for the Spectrophotometric Determination of Cimetidine and Erythromycin ethylsuccinate Drugs Using Bromothymol Blue Via Ion-Pair Formation”, Ibn AL-Haitham Journal For Pure and Applied Sciences, 23(3), pp. 170–189. Available at: https://jih.uobaghdad.edu.iq/index.php/j/article/view/922 (Accessed: 26 March 2025).