Oe, Hiroko, and Junkichi Mochizuki. “An Examination of Nudge Policy through the Lens of ‘The Enormous Turnip’: Fostering Collective Action and Persistence”. International Journal of Academic Research in Progressive Education and Development, vol. 14, no. 2, June 2025, pp. 1746-72, https://ijarped.com/index.php/journal/article/view/3618.