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Anjani SD, Kurniawati F. Improvement on Distinguishing ‘B’ and ‘D’ Letter : Direct Instruction Flashcards Intervention for A Slow Learner. j. paedagog. penelit. pengemb. pendidik. [Internet]. 2025 Jan. 21 [cited 2025 Aug. 15];12(1):87-9. Available from: https://e-journal3.undikma.ac.id/index.php/pedagogy/article/view/13790