1. An, H. (2015). Vietnamese parents pay around 1.8 billion USD for children’s overseas study. Dantri.com.vn . Retrieved January 27, 2016 from. http://dantri.com.vn/kinh-doanh/phu-huynh-viet-chi-khoang-18-ty-usdnam-cho-con-di-du-hoc-1438102954.htm
2. Dan tri. (2018). .Hà Nội: Nhiều trường phổ thông công lập sẽ thí điểm đào tạo song bằng. Retrieved from http://dantri.com.vn/giao-duc-khuyen-hoc/ha-noi-nhieu-truong-pho-thong-cong-lap-se-thi-diem-dao-tao-song-bang-20180316215602369.htm
3. Dang, Q. A. (2011). Internationalisation of higher education: China and Vietnam (M.Sc Thesis). Copenhagen Business School. Copenhagen, Denmark.
4. De Wit, H. (2010). Internationalisation of higher education in Europe and its assessment, trends and issues. NVAO. Retrieved from http://nvao.com/page/downloads/Internationalisation_of_Higher_Education_in_Europe_DEF_december_2010.pdf .
5. De Wit, H. (2011). Globalisation and internationalisation of higher education. International Journal of Educational Technology in Higher Education, 8(2), 241–247.