R. Fadhel, Sahar, et al. “Spectrophotometric Determination of Carbamazepine Via Oxidative Coupling Reaction With 2,4-Dinitrophenyl Hydrazine”. Ibn AL-Haitham Journal For Pure and Applied Sciences, vol. 29, no. 1, Mar. 2017, https://jih.uobaghdad.edu.iq/index.php/j/article/view/40.