Ramkanth S., Ashok Kumar J., Thiruvengadarajan V.S., and Gopinath C. “Preparation and Characterization of Self-Microemulsifying Drug Delivery System of Carvedilol”. International Journal of Research in Pharmaceutical Sciences, vol. 7, no. 2, June 2016, pp. 157-63, https://ijrps.com/home/article/view/4125.