1.
Tarigan ER, Saragih AH, Siagian S. DEVELOPMENT OF PROBLEM BASED LEARNING-BASED E-MEDIA TO IMPROVE STUDENTS’ MATHEMATICS LEARNING OUTCOMES IN JUNIOR HIGH SCHOOL. SJIIPS [Internet]. 2026 Jul. 22 [cited 2026 Jul. 25];15(3):110-7. Available from: https://ejournal.unibabwi.ac.id/index.php/sosioedukasi/article/view/9157