SPECTROPHOTOMETRIC ESTIMATION OF CILNIDIPINE IN BULK AND PHARMACEUTICAL DOSAGE FORM USING N-(1-NAPHTHYL) ETHYLENE DIAMINE DIHYDROCHLORIDE Journal title: International Journal of Pharmacy and Pharmaceutical Sciences Authors: K. S. Kokilambigai, Amlesh Kumar, Govind Chandrayan, Kumar Satyam, Mantosh Kumar Singh Subject(s):