Chrislando, Afan. “Meta Analisis Efektivitas Model Pembelajaran Problem Based Learning Terhadap Kemampuan Berpikir Kritis Siswa SD”. Jurnal Ilmiah Wahana Pendidikan 6, no. 4 (December 3, 2020): 819-826. Accessed April 19, 2026. http://www.jurnal.peneliti.net/index.php/JIWP/article/view/500.