Model Problem Based Learning dalam Penguasaan Konsep dan Kemampuan Berpikir Kritis. Riwayat: Educational Journal of History and Humanities, [S. l.], v. 9, n. 1, p. 347–352, 2026. DOI: 10.24815/riwayat.v9i1.148. Disponível em: https://ejournal.yaydi.com/index.php/riwayat/article/view/148. Acesso em: 4 feb. 2026.