WIDOWATI, Asri. Pengembangan Critical Thinking melalui Penerapan Model PBL (Problem Based Learning) dalam Pembelajaran Sains. MAJALAH ILMIAH PEMBELAJARAN, [S. l.], v. 6, n. 1, 2010. Disponível em: https://jurnal.uny.ac.id/index.php/mip/article/view/3543. Acesso em: 16 may. 2025.