NINGRUM, Erna Fitria. "Pengaruh Model Pembelajaran Problem Based Learning Berbantuan Media Papan Kompetisi Bangun Datar (Pakom Bantar) TerhadapPemahaman KonsepMatematika". Prosiding University Research Colloquium, [S. l.], p. 1199–1211, 2021. Disponível em: https://repository.urecol.org/index.php/proceeding/article/view/1902. Acesso em: 25 apr. 2024.