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Naibaho JD, Simbolon N, Simanungkalit E, Simanjuntak EB, Ambarita DFP. PENGARUH MODEL POLYA TERHADAP PENINGKATAN KEMAMPUAN SISWA DALAM MENYELESAIKAN SOAL CERITA MATEMATIKA KELAS 5 SDN 067258 MEDAN AMPLAS. JMPSD [Internet]. 2024 Jul. 31 [cited 2025 Dec. 18];1(6):220-6. Available from: https://jurnal.unimed.ac.id/2012/index.php/jmpsd/article/view/61451