Nale M, Kaluge A, Manafe H. Peningkatan Kemampuan Berpikir Kritis Peserta Didik melalui Penerapan Model Problem Based Learning pada Pembelajaran IPA Kelas VIII. J. Educ. Res. [Internet]. 2023 Dec. 17 [cited 2025 Aug. 23];4(4):2072-80. Available from: https://mail.jer.or.id/index.php/jer/article/view/543