Arifatun V, Agustyaningrum N, Pradanti P. Development of MESI GUNDA (Plane Shape Educational Game) Based on Android to Support Mathematical Problem-Solving Skills. jep [Internet]. 23May2025 [cited 29Jun.2025];9(1):1-7. Available from: https://jep.ppj.unp.ac.id/index.php/jep/article/view/948