MELISHA; MARDIYAH, A.; JUWITA, R. Sigil software based e-module validation for class VII students on data presentation material. Union: Jurnal Ilmiah Pendidikan Matematika, [S. l.], v. 11, n. 2, p. 200–207, 2023. DOI: 10.30738/union.v11i2.13767. Disponível em: https://jurnal.ustjogja.ac.id/index.php/union/article/view/13767. Acesso em: 19 apr. 2024.