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Silaban, Patri Janson. “EFEKTIVITAS PEMBELAJARAN MELALUI PEMBELAJARAN KOOPERATIF TIPE TGT BERBANTUAN ALAT PERAGA DI KELAS VI SD METHODIST-12 MEDAN PADA KOMPETENSI DASAR LUAS BANGUN DATAR SEDERHANA”. Jurnal Ilmiah Aquinas 2, no. 2 (November 5, 2019): 175–199. Accessed April 19, 2025. https://ejournal.ust.ac.id/index.php/Aquinas/article/view/548.