Harahap, Lia Junita, Rizhal Hendi Ristanto, and Ratna Komala. “Getting Critical Thinking about Ecosystem: How Impact and Responses of Students about the CirGi Learning Model?”. Biosfer: Jurnal Pendidikan Biologi 13, no. 1 (May 18, 2020): 86–100. Accessed May 20, 2026. https://journal.unj.ac.id/unj/index.php/biosfer/article/view/14544.