Wongsirojkul, Wasan, Decho Thong-Aram, and Attaporn Pattarasumunt. “The development of computer peripheral device for radiation survey with a GPS locator”. Engineering and Applied Science Research 40, no. 3 (September 20, 2014): 417–425. accessed August 31, 2026. https://ph01.tci-thaijo.org/index.php/easr/article/view/21730.