SURANI, A. J.; KUSMANTO, B. UPAYA MENINGKATKAN KEAKTIFAN DAN HASIL BELAJAR MATEMATIKA MELALUI STUDENT TEAMS ACHIEVEMENT DIVISION (STAD) SISWA KELAS VII A SMP N 2 KALIBAWANG. Union : Jurnal Ilmiah Pendidikan Matematika, [S. l.], v. 3, n. 2, 2015. DOI: 10.30738/.v3i2.317. Disponível em: https://jurnal.ustjogja.ac.id/index.php/union/article/view/317. Acesso em: 29 sep. 2022.