Muhdiati S, Sopandi W, Sujana A, Haq IA, Khomis AJ. Enhancing Sixth Graders’ Mathematical Communication Skills Using the RADEC Learning Model: A Focus on Ratio Concepts. Alishlah [Internet]. 2025 Sep. 24 [cited 2026 Nov. 11];17(3):4639-54. Available from: https://www.journal.staihubbulwathan.id/alishlah/article/view/6721