Winoto, Yudi Cahyo, and Tego Prasetyo. “Efektivitas Model Problem Based Learning Dan Discovery Learning Terhadap Kemampuan Berpikir Kritis Siswa Sekolah Dasar”. Jurnal Basicedu 4, no. 2 (March 27, 2020): 228–238. Accessed July 22, 2024. https://jbasic.org/index.php/basicedu/article/view/348.