SANTOSO, E. MENINGKATKAN MENINGKATKAN KEMAMPUAN BERPIKIR KRITIS MAHASISWA PRODI PPKn MELALUI METODE PEMBELAJARAN PROBLEM SOLVING PADA MATAKULIAH PENDIDIKAN BUDI PEKERTI DI UNIVERSITAS PGRI ADI BUANA PSDKU BLITAR. JOEL: Journal of Educational and Language Research, [S. l.], v. 1, n. 12, p. 2179–2192, 2022. DOI: 10.53625/joel.v1i12.2906. Disponível em: https://mail.bajangjournal.com/index.php/JOEL/article/view/2906. Acesso em: 5 jul. 2025.