El-didamony, A. M., and M. O. Abo-elsoad. “UTILIZATION OF ION-PAIR COMPLEX FORMATION FOR THE SPECTROPHOTOMETRIC DETERMINATION OF SOME ANTIDEPRESSANT DRUGS IN PHARMACEUTICAL FORMULATIONS”. International Journal of Pharmacy and Pharmaceutical Sciences, vol. 8, no. 6, June 2016, pp. 188-94, https://journals.innovareacademics.in/index.php/ijpps/article/view/11358.