Nguyen, H., Nguyen, N. and Nguyen, M. 2011. COMPARATIVE STUDY ON TOTAL POLYPHENOLS, FLAVONOIDS CONTENT, AND ANTIOXIDANT ACTIVITY OF PROPOLIS FROM VIET NAM AND OTHER COUNTRIES. Science and Technology Development Journal. 14, 2 (Jun. 2011), 66-74. DOI:https://doi.org/https://doi.org/10.32508/stdj.v14i2.1945.