Divyesh patel, Nirav patel, Meghal parmar, and Navpreet kaur. “TRANSDERMAL DRUG DELIVERY SYSTEM: REVIEW”. International Journal of Pharma Professional’s Research (IJPPR), Vol. 11, no. 2, 1, pp. 1-20, https://ijppronline.com/index.php/IJPPR/article/view/223.