Ahyan, Shahibul, and Neny Indriana. “MENINGKATKAN KEMAMPUAN KOMUNIKASI MATEMATIS MAHASISWA MELALUI PROBLEM BASED”. Educatio 9, no. 2 (December 2, 2014): 327–344. Accessed December 22, 2024. https://e-journal.hamzanwadi.ac.id/index.php/edc/article/view/73.