Mutiara Dier, Miftahul Jannah Ritonga, Zulkifli Z, Azizahwati A. DEVELOPMENT OF STEM-BASED E-MODULE ON SOUND WAVES TO IMPROVE HIGH SCHOOL STUDENTS’ PROBLEM-SOLVING SKILLS. Edu. Jur. Pend. Fis [Internet]. 2025 Dec. 14 [cited 2026 Apr. 28];10(3):374-88. Available from: https://www.online-journal.unja.ac.id/EDP/article/view/47537