Vinh, Le Thi Thuy. “Current Status of Awareness and Use the Phenomenon of students’ Language Code-Mixing and the Issue of Preserving the Purity of the Vietnamese Language”. Journal of Asian Scientific Research 14, no. 3 (May 31, 2024): 421–431. Accessed April 30, 2025. https://www.archive.aessweb.com/index.php/5003/article/view/5094.