Muhdiati, S. et al. 2025. Enhancing Sixth Graders’ Mathematical Communication Skills Using the RADEC Learning Model: A Focus on Ratio Concepts. AL-ISHLAH: Jurnal Pendidikan. 17, 3 (Sep. 2025), 4639–4654. DOI:https://doi.org/10.35445/alishlah.v17i3.6721.