Tuan, Dr. Nguyen Minh. “Preventing and Combating Political Opportunists in Vietnam Today”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12, no. 10 (April 28, 2021): 7316–7323. Accessed April 29, 2024. https://www.turcomat.org/index.php/turkbilmat/article/view/5622.