ULFIA VIOLINA SHELLBY AGUSTIN; FIROSALIA KRISTIN. Efektifitas Model Pembelajaran Problem Based Learning dan Discovery Learning Terhadap kemampuan Berpikir Kritis Siswa kelas 6 Muatan Pelajaran IPS. Journal of Education Research, [S. l.], v. 4, n. 4, p. 1716–1722, 2023. DOI: 10.37985/jer.v4i4.489. Disponível em: https://jer.or.id/index.php/jer/article/view/489. Acesso em: 31 jul. 2025.