Hai, Nguyen Xuan, Richard A. Villa, Le Van Tac, Jacqueline S. Thousand, and Pham Minh Muc. 2020. “Inclusion in Vietnam: More Than a Quarter Century of Implementation”. International Electronic Journal of Elementary Education 12 (3):257-64. https://www.iejee.com/index.php/IEJEE/article/view/1088.