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Abdilla R, Syafri Ahmad, Salmaini Salmaini. KEVALIDAN MODUL AJAR MATEMATIKA KURIKULUM MERDEKA MATERI RASIO KELAS VI SEKOLAH DASAR BERBASIS PROBLEM-BASED LEARNING: MODUL AJAR RASIO. didaktik [Internet]. 2025Dec.26 [cited 2026Sep.24];11(04):445 -48. Available from: http://www.journal.stkipsubang.ac.id/index.php/didaktik/article/view/9895