แดงมี ปรีญาทิพย์, and Waraporn Lilakiatsakun. “Steganography Hiding Data Within QRCode”. JOURNAL OF INFORMATION SCIENCE AND TECHNOLOGY 5, no. 1 (June 30, 2015): 35–41. Accessed May 25, 2024. https://ph02.tci-thaijo.org/index.php/JIST/article/view/135379.