Ratanamalee, P. and Som-um-charn, M. (2020) “The development of a device to detect explosives and other materials on the underside of a Vehicle”, Rajapark Journal. Bangkok, Thailand, 14(33), pp. 179–190. available at: https://so05.tci-thaijo.org/index.php/RJPJ/article/view/240105 (accessed: 29 September 2026).