Nhan Minh T, The Trung L, Duc Hieu T, Thi Nga H. A COMPARATIVE STUDY OF THREE TACTILE MAP PRINTING TECHNIQUES IN THE DESIGN OF EDUCATIONAL MATERIALS FOR VISUALLY IMPAIRED STUDENTS. HNUE Journal of Science: Educational Science [Internet]. 2025 Nov. 25 [cited 2025 Dec. 5];70(6):99-110. Available from: https://hnuejs.edu.vn/es/article/view/990