SILITONGA, Hotria Rosliana. Efektivitas Model Pembelajaran Kooperatif Tipe Numbered Head Together Terhadap Kemampuan Pemecahan Masalah Matematis Siswa Kelas VII SMP Negeri 16 Medan. Journal of Student Research, [S. l.], v. 2, n. 2, p. 56–66, 2024. DOI: 10.55606/jsr.v2i2.2777. Disponível em: https://ejurnal.stie-trianandra.ac.id/index.php/jsr/article/view/2777. Acesso em: 7 nov. 2024.