Rahayu, S., Sapri, J. and Alexon, A. 2017. THE IMPLEMENTATION OF PROBLEM BASED LEARNING (PBL) FOR IMPROVING CRITICAL THINKING AND STUDENT’S ACHIEVEMENT. Diadik: Jurnal Ilmiah Teknologi Pendidikan. 7, 2 (Oct. 2017), 98–110. DOI:https://doi.org/10.33369/diadik.v7i2.3688.