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Harefa D, Ndruru K, Gee E, Ndruru M, Ndraha LDM, Sarumaha M. PENINGKATAN HASIL BELAJAR MELALUI MODEL PROBLEM BASED LEARNING TERINTERGRASI BRAINSTORMING BERBASIS MODUL. Histogram: j. pendidik. math. [Internet]. 2021 Jan. 3 [cited 2026 Jan. 14];4(2):270-89. Available from: https://journal.matappa.ac.id/index.php/histogram/article/view/588