Amalludin, Subuh, Emi Pujiastuti, and Rahayu Veronica. “KEEFEKTIFAN PROBLEM BASED LEARNING BERBANTU FUN MATH BOOK TERHADAP KEMAMPUAN PEMECAHAN MASALAH SISWA KELAS VIII”. Unnes Journal of Mathematics Education 5, no. 1 (April 24, 2016). Accessed April 20, 2024. https://journal.unnes.ac.id/sju/ujme/article/view/9340.