Items where Author is "Dina Safitri"

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Ega Gradini and Bettri Yustinaningrum and Dina Safitri (2022) Kesalahan siswa dalam memecahkan masalah trigonometri ditinjau dari indikator polya. Mosharafa: Jurnal Pendidikan Matematika, 11 (1): 5. pp. 49-60. ISSN 2086-4280

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