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Christianti MRA. PENGARUH MODEL PEMBELAJARAN DISCOVERY LEARNING BERBASIS PENILAIAN PORTOFOLIO TERHADAP KOMPETENSI PENGETAHUAN MATEMATIKA SISWA KELAS IV. indonesian j. educ. res. rev. [Internet]. 2018 Jul. 20 [cited 2024 Nov. 30];1(2). Available from: https://ejournal.undiksha.ac.id/index.php/IJERR/article/view/14707