Salim, M.R., Ibrahim, M.H., Azmi, A.I., Mohd Noor, M.Y., Abdullah, A.S., Ngajikin, N.H., Manap, H., Dooly, G. and Lewis, E. 2018. Highly Responsive CO2 Detection by an Improved & Compact Gas Sensor Using Mid-IR Spectroscopy. Journal of Telecommunication, Electronic and Computer Engineering (JTEC). 10, 2-8 (Jul. 2018), 1–7.