Chia, Kim Seng, et al. “Investigating the Feasibility of a CMOS Camera in Developing a Shortwave Near Infrared Spectroscopy”. International Journal of Integrated Engineering, vol. 12, no. 8, Aug. 2020, pp. 212-21, https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/5249.