Jadhav, S., R. Kharat, A. Afaque, and A. Tamboli. “Estimation of Ondansetron Hydrochloride in Bulk and Formulation by Second Order Derivative Area under Curve UV-Spectrophotometric Methods”. PharmaTutor, Vol. 3, no. 8, Aug. 2015, pp. 42-46, http://www.pharmatutorjournal.com/index.php/pt/article/view/300.