Makhrus, Muh., Muhammad Zuhdi, Wahyudi Wahyudi, and Muhammad Taufik. “Increasing Conceptual Understanding through CCM-CCA Based Learning Device”. Jurnal Penelitian Pendidikan IPA 6, no. 1 (January 31, 2020): 81–84. Accessed November 25, 2024. https://jppipa.unram.ac.id/index.php/jppipa/article/view/347.