Harini M, Dhanraj M. Ganapathy, L. Keerthi Sasanka, Jayalakshmi S. “ANALYSIS OF COLOUR STABILITY OF HEAT CURE RESIN POST EXPOSURE TO HOT BEVERAGES”. Drugs and Cell Therapies in Hematology, vol. 10, no. 3, Aug. 2021, pp. 2549-58, http://www.dcth.org/index.php/journal/article/view/1162.