Items where Author is "Purwidi, Sumaryanto"

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Purwidi, Sumaryanto (2022) Peningkatkan hasil belajar matematika melalui metode problem posing siswa kelas IX-G SMPN 244 Jakarta. Jurnal Ki Hajar Dewantara, 1 (1): 4. pp. 51-66. ISSN 2828-5158

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