SITUMORANG, Suryani S; LAKSONO, Endang Widjajanti. Penerapan Problem-based Learning terhadap Kemampuan Berpikir Kritis dan Keaktifan Belajar Peserta Didik. Jurnal Pendidikan Matematika dan Sains, [S. l.], v. 13, n. Special_issue, p. 283–294, 2025. DOI: 10.21831/jpms.v13iSpecial_issue.89598. Disponível em: https://journal.uny.ac.id/index.php/jpms/article/view/89598. Acesso em: 8 oct. 2025.