AMRULLOH, A.; ., S.; HADI, H. Penerapan Model Problem Solving Berbantu Media Kalkulator Ajaib untuk Meningkatkan Kemampuan Pemahaman Konsep Operasi Hitung. Indonesian Journal of Educational Research and Review, [S. l.], v. 2, n. 1, 2019. DOI: 10.23887/ijerr.v2i1.17298. Disponível em: https://ejournal.undiksha.ac.id/index.php/IJERR/article/view/17298. Acesso em: 30 nov. 2024.