quang sang vo, Phan Nguyen Nhue, Nguyen Quang Hiep, Duan Yi Ting. Design of freeform surface optical component in helmet mounted display. J. Mil. Sci. Technol. [Internet]. 2023 May 25 [cited 2026 Mar. 13];87(87):78-84. Available from: https://jmst.mod.gov.vn/index.php/jmst/article/view/654