“THE EFFECTIVENESS OF USING AUDIO-VISUAL MEDIA BASED ON POLYA’S PROBLEM-SOLVING THEORY IN ELEMENTARY SCHOOL STUDENTS’ MATHEMATICS LEARNING (CASE STUDY AT THE UPTD SDN MAULAFA)”. Journal of Innovative Technologies in Learning and Education 3, no. 1 (January 12, 2026): 36–47. Accessed May 20, 2026. https://ojs.cbn.ac.id/index.php/j-itle/article/view/1919.