Peningkatan Kemampuan Berpikir Kritis melalui LKM Berbasis Problem Based Learning pada Murid Fase E. PTK: Jurnal Tindakan Kelas, [S. l.], v. 6, n. 2, p. 516–526, 2026. DOI: 10.53624/ptk.v6i2.947. Disponível em: https://jurnal.ciptamediaharmoni.id/ptk/article/view/947. Acesso em: 25 oct. 2026.