Flick, Michael, and Debbie Kuchey. “CONTEST CORNER: The 2018 State Tournament of Mathematics”. Ohio Journal of School Mathematics 80, no. 1 (October 6, 2018). Accessed April 30, 2026. https://www.osu.tests.sfulib4.publicknowledgeproject.org/index.php/OJSM/article/view/6570.