DEVELOPMENT OF MULTIMEDIA LEARNING SOLUTION MATHEMATICS (MUJAMATCAH) AS A LEARNING MEDIA FOR GRADE IV PRIVATE SCHOOL STUDENTS. josar [Internet]. 2021 Jun. 2 [cited 2026 Jan. 31];6(2):199-210. Available from: https://ejournal.unisbablitar.ac.id/index.php/josar/article/view/1973