Phạm Thị Thanh Thảo, Hồ Dương Huynh, Lê Thị Lan Thanh. Design and implement “Defence Key”. JTE [Internet]. 2019 Jan. 31 [cited 2026 Apr. 8];14(1):50-3. Available from: https://www.jte.edu.vn/index.php/jte/article/view/275