Nugraheni, Fenti, Zaenuri Mastur, and Kristina Wijayanti. 2014. “KEEFEKTIFAN MODEL PROCESS ORIENTED GUIDED INQUIRY LEARNING TERHADAP KEMAMPUAN PEMECAHAN MASALAH”. Unnes Journal of Mathematics Education 3 (1). https://doi.org/10.15294/ujme.v3i1.3428.