U, S., S. Nayak, S. Kamath, and S. AR. “Zero Order and First Order Derivative Spectroscopic Method for Simultaneous Estimation of Moxifloxacin Hydrochloride and Ketorolac Tromethamine in Simulated Tear Fluid”. PharmaTutor, Vol. 4, no. 4, Apr. 2016, pp. 43-47, http://www.pharmatutorjournal.com/index.php/pt/article/view/352.