AMANDA, P. H. .; IRIANI, D. .; SOFNIDAR, S. ANALISIS KEMAMPUAN BERPIKIR KRITIS MURID MELALUI PERMAINAN TRADISIONAL LOMPAT TALI SECARA OUTDOOR MATERI RASIO KELAS VII. De Fermat : Jurnal Pendidikan Matematika, [S. l.], v. 8, n. 2, p. 917–926, 2025. DOI: 10.36277/defermat.v8i2.2400. Disponível em: https://jurnal.pmat.uniba-bpn.ac.id/index.php/DEFERMAT/article/view/2400. Acesso em: 29 may. 2026.