Kurniawati, Maria, and Agustina Tyas Asri Hardini. “Pengaruh Model Problem Based Learning Dan Problem Solving Terhadap Berpikir Kritis Siswa Kelas V Pada Pembelajaran PPKn”. Jurnal Pendidikan 32, no. 3 (November 30, 2023): 393–402. Accessed May 9, 2024. http://journal.univetbantara.ac.id/index.php/jp/article/view/4262.