Pham, T.T.H. and Nhu, T.P.L. 2026. INTEGRATING HISTORICAL AND CULTURAL SITES IN HO CHI MINH CITY INTO HISTORY EDUCATION AT UPPER SECONDARY SCHOOLS. Ho Chi Minh City University of Education Journal of Science. 23, 7 (Jul. 2026). DOI:https://doi.org/10.54607/hcmue.js.23.7.5190(2026).