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“UPAYA PENINGKATAN KEMAMPUAN PEMECAHAN MASALAH MATEMATIKA MELALUI CREATIVE PROBLEM SOLVING PADA SISWA KELAS VIII SEMESTER GANJIL SMP NEGERI 1 BANDAR LAMPUNG”, epsilon, vol. 1, no. 1, pp. 27–33, Feb. 2022, Accessed: Nov. 12, 2025. [Online]. Available: https://jurnal.stkippgribl.ac.id/index.php/epsilon/article/view/231