Lappanitchyakul, Yanapat, and Duangthip Rubporndee. “Design and Development of a Web-Based Geoinformatics System Integrated with QR Code for Cultural Tourism in Pa Tan Subdistrict, Lopburi Province”. Journal of Engineering and Industrial Technology, Kalasin University 4, no. 2 (April 28, 2026): 89–102. accessed October 8, 2026. https://ph03.tci-thaijo.org/index.php/JEIT/article/view/4595.