DELIMA, N. MENGEMBANGKAN MATHEMATICAL THINKINGSISWA MELALUI PROBLEM SOLVING. Biormatika : Jurnal ilmiah fakultas keguruan dan ilmu pendidikan, [S. l.], v. 2, n. 01, 2016. Disponível em: https://ejournal.unsub.ac.id/index.php/FKIP/article/view/149. Acesso em: 12 jun. 2024.