Budiarti YD, Prasetyowati S, I. G. A. Kusuma Astuti N. P. Use of Platformer Educational Game Media in Increasing Knowledge About Calculus in Class VII and VIII Students of SMP Diponegoro Surabaya (study of class VII and VIII at SMP Diponegoro Surabaya). SUDTEJO [Internet]. 2025 Feb. 28 [cited 2025 May 6];3(1):152-8. Available from: https://dentejo.poltekkes-surabaya.ac.id/index.php/dentejo/article/view/40