ZAIDAN, U. H., S. N. M. . HAMID, M. F. . MAT YUSOF, S. . AHMAD, S. S. ABD GHANI, and S. . SHAMSI. “CHEMICAL EVALUATION AND ANTIOXIDANT PROPERTIES OF EXTRACTS AND ESSENTIAL OIL FROM Stevia Rebaudiana LEAVES”. Malaysian Applied Biology, vol. 47, no. 2, May 2018, pp. 15-23, https://jms.mabjournal.com/index.php/mab/article/view/1941.