Nguyen Hong Phong, Do Minh Quan, Le Xuan Hien, & Pham Tho Hoan. (2026). DEVELOPING A VIRTUAL ASSISTANT TO SUPPORT INFORMATICS LESSON PLANNING. HNUE Journal of Science: Journal of Educational Science, 71(4), 88-98. https://doi.org/10.18173/2354-1075.2026-0060