Rivers, Damian J. “Utilizing the Quick Response (QR) Code Within a Japanese EFL Environment”. The JALT CALL Journal 5, no. 2 (August 31, 2009): 15–28. Accessed September 22, 2026. https://www.castledown.com.au/journals/jaltcall/article/view/jaltcall.v5n2.77.