SIMBOLON, JETTI. PENERAPAN MODEL PEMBELAJARAN KOOPERATIF TIPE STUDENT TEAM ACHIEVEMENT DIVISION DALAM MENINGKATKAN AKTIVITAS BELAJAR IPA SISWA DI KELAS VIII “ 11 SMP NEGERI 4 MEDAN. JURNAL HANDAYANI PGSD FIP UNIMED, [S. l.], v. 2, n. 2, 2015. DOI: 10.24114/jh.v2i2.2032. Disponível em: https://jurnal.unimed.ac.id/2012/index.php/handayani/article/view/2032. Acesso em: 4 jul. 2025.