Adams, D., T. Bucci, L. McEwan, and K. Reinthal. “Produce Basket: The Development of PB Module for Improving Fraction Learning”. Ohio Journal of School Mathematics, vol. 92, no. 1, Sept. 2022, p. 32-41, https://www.osu.tests.sfulib4.publicknowledgeproject.org/index.php/OJSM/article/view/9080.