ZULFANI, A.; IRIANI, D. I.; ANWAR, K. . ANALISIS KARAKTER KOLABORATIF SISWA MELALUI PERMAINAN TRADISIONAL BENTENGAN SECARA OUTDOOR MATERI PERSAMAAN LINEAR SATU VARIABEL. De Fermat : Jurnal Pendidikan Matematika, [S. l.], v. 8, n. 2, p. 763–772, 2025. DOI: 10.36277/defermat.v8i2.2396. Disponível em: https://jurnal.pmat.uniba-bpn.ac.id/index.php/DEFERMAT/article/view/2396. Acesso em: 29 may. 2026.