LUBIS, C. M.; SURYA, E. ANALISIS KEEFEKTIFAN BELAJAR MATEMATIKA MELALUI PENDEKATAN STOP THINK DO PADA SISWA MTs. BUDI AGUNG T.P 2013/2014. Union : Jurnal Ilmiah Pendidikan Matematika, [S. l.], v. 4, n. 3, 2016. DOI: 10.30738/.v4i3.455. Disponível em: https://jurnal.ustjogja.ac.id/index.php/union/article/view/455. Acesso em: 29 sep. 2022.