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Rachman K, Nur Romadhon N, Rossa Nurjayanti A. Development of Interactive Flipbooks on Positive and Negative Integer Counting Operation Materials for Elementary School Students. Journal.Math.Education [Internet]. 2025 Aug. 31 [cited 2026 Jan. 10];10(2):236-47. Available from: http://jurnal.unimor.ac.id/JIPM/article/view/9135