Guntharp MN, Browning F, Royle G. Using Toy Animal Ball Poppers to Explore Projectile Motion in Algebra and Calculus Classes. ojsm [Internet]. 2017 Feb. 1 [cited 2026 Apr. 29];74(2). Available from: https://www.osu.tests.sfulib4.publicknowledgeproject.org/index.php/OJSM/article/view/5280