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MARSELINA, Suci. PENINGKATAN KETERAMPILAN MENULIS KARYA ILMIAH MELALUI STRATEGI BELAJAR KOOPERATIF TIPE GROUP INVESTIGATION SISWA KELAS XI MAN I KOTA SUNGAI PENUH. PENTAS : Jurnal Ilmiah Pendidikan Bahasa dan Sastra Indonesia, [S. l.], v. 4, n. 1, p. 14–21, 2018. Disponível em: https://ejournal.unisda.ac.id/index.php/pentas/article/view/816. Acesso em: 5 jun. 2026.