PENGARUH MODEL PROJECT BASED LEARNING (PjBL) TERHADAP KEMAMPUAN BERPIKIR KRITIS SISWA PADA MATERI EKOSISTEM. periskop [Internet]. 2024 Nov. 1 [cited 2026 Jul. 20];5(2):11-8. Available from: https://periskop.ipbcirebon.ac.id/index.php/jp/article/view/84