Trịnh Mỹ Anh, Đặng Lê Gia Hân, Mai Ngọc Linh, Phạm Duy Tân, X. K. Bùi, and Hồ Trường Giang. “Fabrication of Non-Dispersive Infrared Sensor (NDIR) for Detecting CO2 in Indoor With Low-Level Concentration towards Human Health Safety Applications”. Journal of Military Science and Technology, no. 77, Feb. 2022, pp. 120-7, doi:10.54939/1859-1043.j.mst.77.2022.120-127.