FATRIANI, Emilia; SUKIDJO, Sukidjo. Efektivitas metode problem based learning ditinjau dari kemampuan berpikir kritis dan sikap sosial siswa. SOCIA: Jurnal Ilmu-Ilmu Sosial, [S. l.], v. 15, n. 1, p. 11–26, 2018. DOI: 10.21831/socia.v15i1.20089. Disponível em: https://journal.uny.ac.id/index.php/sosia/article/view/20089. Acesso em: 7 may. 2025.