Novita, W., Restuati, M. dan Handayani, S. (2016) “THE DIFFERENCE OF STUDENT ACHIEVEMENT USING MODEL PROBLEM BASED LEARNING MODEL WITH PROJECT BASED LEARNING MODEL MUSHROOMS MATERIALS IN CLASS X SMA NEGERI 16 MEDAN”, Jurnal Pelita Pendidikan, 4(4). doi: 10.24114/jpp.v4i4.8639.