Pengembangan Bahan Ajar Perbandingan terintegrasi Challenge Based Learning berpendekatan STEM terhadap Kemampuan Berpikir Kritis . Circle: Jurnal Pendidikan Matematika, [S. l.], v. 2, n. 2, p. 149–161, 2022. DOI: 10.28918/circle.v2i02.6100. Disponível em: https://e-journal.uingusdur.ac.id/circle/article/view/750. Acesso em: 17 aug. 2026.