Hiranchan, S., M. Nitsuwat, W. Phumpinyo, P. Polhem, and M. Ketchum. “Explosive Detector Model using image processing techniques and surface Detection Sensors”. Science Technology and Innovation Journal, vol. 1, no. 5, Oct. 2020, pp. 1-9, https://li01.tci-thaijo.org/index.php/stij/article/view/248158.