Hogue MD, Spengler M, Hughes R, Bell C. Building a Foundational Understanding of Systems of Equations. ojsm [Internet]. 2023 Aug. 2 [cited 2026 Apr. 29];94(1):21-30. Available from: https://www.osu.tests.sfulib4.publicknowledgeproject.org/index.php/OJSM/article/view/9482