Khandaker, S., Hasan, M. M., Shaipuzaman, N., Aspar, M. A. S. M. and Manap, H. (2025) “Development of DOAS System for Hazardous Methane Detection in the Near-Infrared Region ”, EMITTER International Journal of Engineering Technology, 12(2), pp. 182-195. doi: 10.24003/emitter.v12i2.890.