SINGSRI, P., Phiromlap, S. ., & Chalachai, S. . (2021). Design and Development of 6-D Digital Secure City System Bang Phra Sub-district Municipality. Rajamangala University of Technology Tawan-Ok Research Journal, 14(1), 54–65. Retrieved from https://li01.tci-thaijo.org/index.php/researchjournal2rmutto/article/view/243529