SINGSRI, PONGPAT, Srichol Phiromlap, and Sahapat Chalachai. “Design and Development of 6-D Digital Secure City System Bang Phra Sub-District Municipality”. Rajamangala University of Technology Tawan-ok Research Journal 14, no. 1 (June 29, 2021): 54–65. Accessed May 3, 2024. https://li01.tci-thaijo.org/index.php/researchjournal2rmutto/article/view/243529.