“PENINGKATAN KEMAMPUAN BERPIKIR KRITIS, KEMANDIRIAN BELAJAR PKn SISWA MELALUI PROBLEM BASED LEARNING”. Jurnal Tematik 7, no. 1 (February 12, 2018). Accessed March 15, 2026. https://jurnal.unimed.ac.id/2012/index.php/tematik/article/view/9061.