Ghelani, N., K. Bhalodiya, S. Faldu, and K. Dadhania. “Development and Validation of Spectrophotometric Method for Simultaneous Estimation of Olmesartan Medoxomil and Cilnidipine by Simultaneous Equation Method”. PharmaTutor, Vol. 2, no. 6, June 2014, pp. 160-6, http://www.pharmatutorjournal.com/index.php/pt/article/view/126.