Maulina Agustini, Lukman Nulhakim, and Zerri Rahman Hakim. “DEVELOPING A CONTEXTUAL LEARNING-BASED AUDIO VISUAL MEDIA ON MATERIAL OF THE ENERGY SOURCE AND ITS CHANGE FOR FOUR GRADE STUDENTS AT ELEMENTARY SCHOOLS”. Primary: Jurnal Pendidikan Guru Sekolah Dasar 10, no. 2 (April 14, 2021): 263–278. Accessed September 19, 2026. https://primary.ejournal.unri.ac.id/index.php/JPFKIP/article/view/737.