Maulidina FB, Darmawati DM. The effect of using organ system board media on IPAS learning outcomes of 5th-grade elementary school. Inov. Curr [Internet]. 2025 Aug. 29 [cited 2025 Aug. 23];22(3):1447-58. Available from: https://ejournal-hipkin.or.id/index.php/jik/article/view/139