Amalludin, S., Pujiastuti, E., & Veronica, R. (2016). KEEFEKTIFAN PROBLEM BASED LEARNING BERBANTU FUN MATH BOOK TERHADAP KEMAMPUAN PEMECAHAN MASALAH SISWA KELAS VIII. Unnes Journal of Mathematics Education, 5(1). https://doi.org/10.15294/ujme.v5i1.9340