Rinku Mathappan, V. Felix Joe, Prasanth V.V, and Kamalakkanan Varirappan. “Pharmacognostical and Preliminary Phytochemical Studies of Urena Lobata Linn”. International Journal of Phytomedicine, vol. 2, no. 4, Dec. 2010, pp. 408-11, https://ijp.arjournals.org/index.php/ijp/article/view/65.