Sukjarornphong, Sompon, and Dech Thamsiri. “The Development of Traceability System Using QR Code Technology and Retail Packaging of Pomelos in Nakhon Pathom Province”. Journal of Management Science Nakhon Pathom Rajabhat University 5, no. 1 (December 26, 2018). Accessed April 24, 2024. https://so03.tci-thaijo.org/index.php/JMSNPRU/article/view/162880.