Manurung, Sondang R, and Deo Demonta Panggabean. “IMPROVING STUDENTS’ THINKING ABILITY IN PHYSICS USING INTERACTIVE MULTIMEDIA BASED PROBLEM SOLVING”. Jurnal Cakrawala Pendidikan 39, no. 2 (June 28, 2020): 460–470. Accessed June 1, 2025. https://journal.uny.ac.id/index.php/cp/article/view/28205.