Marr, David G. (1998). Mass Media in Vietnam. Department of Political and Social Change, Research School of Pacific and Asian Studies, Australian National University. p. 20. ISBN978-0-909524-32-6. Archived from the original on 2022-10-03. Retrieved 2021-06-27.
Marr, David G. (1998). Mass Media in Vietnam. Department of Political and Social Change, Research School of Pacific and Asian Studies, Australian National University. p. 20. ISBN978-0-909524-32-6. Archived from the original on 2022-10-03. Retrieved 2021-06-27.