KY Pin. “ANTIOXIDANT AND ANTI-INFLAMMATORY ACTIVITIES OF EXTRACTS OF BETEL LEAVES (<EM>PIPER</EM> <EM>BETLE</EM>) FROM SOLVENTS WITH DIFFERENT POLARITIES”. Journal of Tropical Forest Science (JTFS), vol. 22, no. 4, June 2022, pp. 448-55, https://jtfs.frim.gov.my/jtfs/article/view/987.