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Souisa H, Tutuarima N. MODEL SNOWBALL THROWING: UPAYA PENINGKATAN KEAKTIFAN BELAJAR SISWA PADA MATA PELAJARAN IPS (STUDI KASUS SD NEGERI 15 KAB. SORONG). jsoscied [Internet]. 1 [cited 29Nov.2025];8(2):540-9. Available from: https://jurnal.poltekstpaul.ac.id/index.php/jsoscied/article/view/1052