Kokilambigai, K. S., K. S. Lakshmi, A. Kumar, G. Chandrayan, K. Satyam, and M. K. Singh. “SPECTROPHOTOMETRIC ESTIMATION OF CILNIDIPINE IN BULK AND PHARMACEUTICAL DOSAGE FORM USING N-(1-NAPHTHYL) ETHYLENE DIAMINE DIHYDROCHLORIDE”. International Journal of Pharmacy and Pharmaceutical Sciences, Vol. 6, no. 9, 1, pp. 576-8, https://innovareacademics.in/journals/index.php/ijpps/article/view/2463.