Abdullah, D., Mastur, Z. and Sutarto, H. 2015. KEEFEKTIFAN MODEL PEMBELAJARAN PROBLEM BASED LEARNING BERNUANSA ETNOMATEMATIKA TERHADAP KEMAMPUAN PEMECAHAN MASALAH SISWA KELAS VIII. Unnes Journal of Mathematics Education. 4, 3 (Nov. 2015). DOI:https://doi.org/10.15294/ujme.v4i3.9056.