MUHDIATI, Siti; SOPANDI, Wahyu; SUJANA, Atep; HAQ, Innaka Arina; KHOMIS, Ali Juma. Enhancing Sixth Graders’ Mathematical Communication Skills Using the RADEC Learning Model: A Focus on Ratio Concepts. AL-ISHLAH: Jurnal Pendidikan, [S. l.], v. 17, n. 3, p. 4639–4654, 2025. DOI: 10.35445/alishlah.v17i3.6721. Disponível em: https://www.journal.staihubbulwathan.id/alishlah/article/view/6721. Acesso em: 11 nov. 2026.