Lumbangaol A, Wardana RW, Uliyandari M, Nirwana N, Defianti A. PENGEMBANGAN MEDIA PEMBELAJARAN VIDEO SAINS BERBASIS KONTEKSTUAL KOOPERATIF BAGI SISWA TUNAGRAHITA. j. ilm. pendidik. sains [Internet]. 2025 Dec. 30 [cited 2026 Jan. 13];6(1):13-22. Available from: https://ejournal.unib.ac.id/diksains/article/view/30813