FITRI, M.; YUANITA, P.; MAIMUNAH, M. Pengembangan Perangkat Pembelajaran Matematika Terintegrasi Keterampilan Abad 21 Melalui Penerapan Model Problem Based Learning (PBL). Jurnal Gantang, [S. l.], v. 5, n. 1, p. 77–85, 2020. DOI: 10.31629/jg.v5i1.1609. Disponível em: https://ojs.umrah.ac.id/index.php/gantang/article/view/1609. Acesso em: 8 may. 2024.