Cahyani CN, Sa’adah S, Listiawati M. Pembelajaran Menggunakan Model Contextual Teaching and Learning (CTL) pada Materi Keanekaragaman Hayati. semnas. 2025;2(1):1-9. Accessed January 7, 2026. https://ejournals.umma.ac.id/index.php/semnas/article/view/2779