Astuti, Sri, and Istiqomah Istiqomah. “PENINGKATAN KREATIVITAS DAN PRESTASI BELAJAR MATEMATIKA MELALUI TEAMS GAMES TOURNAMENTS SISWA KELAS VIID SMP NEGERI 2 DUKUN, MAGELANG”. Union : Jurnal Ilmiah Pendidikan Matematika 3, no. 3 (November 11, 2015). Accessed September 29, 2022. https://jurnal.ustjogja.ac.id/index.php/union/article/view/393.