Phạm SL, Hoàng AT, Nguyễn VT, Lê VH. Research and design to integrate thermal imaging objective onto viewfinder PMK-453. JMST [Internet]. 2022 Aug. 26 [cited 2024 Sep. 19];(81):168-72. Available from: https://ojs.jmst.info/index.php/jmst/article/view/497