MARFUAH, L.; FRANITA, Y.; HENDRASTUTI, Z. R. . Development of flash-based learning media to improve critical thinking ability of grade VII middle school students. Union: Jurnal Ilmiah Pendidikan Matematika, [S. l.], v. 11, n. 2, p. 191–199, 2023. DOI: 10.30738/union.v11i2.13290. Disponível em: https://jurnal.ustjogja.ac.id/index.php/union/article/view/13290. Acesso em: 19 apr. 2024.