Fullformexpand.com, 2026. "ERTU." Accessed February 22, 2026. https://www.fullformexpand.com/ertu/extensive-reading-at-tohoku-university.
"ERTU." (n.d.). Fullformexpand.com. Retrieved February 22, 2026, from https://www.fullformexpand.com/ertu/extensive-reading-at-tohoku-university.
ERTU. (2026). Fullformexpand.com. Available at: https://www.fullformexpand.com/ertu/extensive-reading-at-tohoku-university (Accessed: 22 February 2026).