EVILIASANI, Keni; SABANDAR, Jozua; FITRIANI, Nelly. Problem-Based Learning Assisted by GeoGebra to Improve Students’ Mathematical Understanding. AL-ISHLAH: Jurnal Pendidikan, [S. l.], v. 14, n. 1, p. 85–98, 2022. DOI: 10.35445/alishlah.v14i1.1092. Disponível em: https://www.alishlah.ahfpublishing.id/alishlah/article/view/1092. Acesso em: 12 oct. 2026.