|A^« _ T R L / d N G DAI HOC SLT PHAM T P H d CHl MINH HC - ,• L j - l l TAP CHi KHOA HOC ' , ", ^ ISSN, KHOA HQC XA HOl VA NHAN VAN 1859-3100 Tap 16, S6 (2019): 156-1B4 "• "' " : _ SOCIAL SCIENCES AND HUMANITIES Vol 16, No (2019): 155-164 Email tapchiichaahQc@bcmue.edu vn; Website- http:/Acl