Al-akraa, H., and M. Kabaweh. “DEVELOPMENT AND VALIDATION OF RP-HPLC METHOD FOR SIMULTANEOUS DETERMINATION OF CLOPAMIDE, DIHYDROERGOCRISTINE MESYLATE AND RESERPINE IN TABLETS”. International Journal of Pharmacy and Pharmaceutical Sciences, vol. 7, no. 7, July 2015, pp. 148-52, https://journals.innovareacademics.in/index.php/ijpps/article/view/4531.