Bua-ngam, Phuminun, and Panida Kaewchanid. 2023. “QR Code Application for Building Security: A Case Study of Navaminda Kasatriyadhiraj Royal Air Force Academy”. NKRAFA JOURNAL OF SCIENCE AND TECHNOLOGY 19 (1):1-13. https://ph02.tci-thaijo.org/index.php/nkrafa-sct/article/view/246838.