HADI, Hadi; WAHYUDIN, Wahyudin; USDIYANA, Dian. Improving Mathematical Communication Skills Through the Geogebra-helped PBL and Direct Instruction Reviewed from the Level of Learning Independence. Prisma Sains : Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram, [S. l.], v. 12, n. 1, p. 71–85, 2024. DOI: 10.33394/j-ps.v12i1.9689. Disponível em: https://e-journal3.undikma.ac.id/index.php/prismasains/article/view/9689. Acesso em: 18 aug. 2025.