Rahmayani, Sri Siska, and Juniar Hutahean. 2017. “THE EFFECT OF PROBLEM BASED LEARNING MODEL TO THE LEARNING OUTCOMES OF CLASS X SEMESTER II ON THE SUBJECT MATTER TEMPERATURE AND HEAT IN STATE HIGH SCHOOL 1 OF HAMPARAN PERAK T.P. 2016 2017”. Jurnal Pendidikan Fisika 6 (2):101-5. https://doi.org/10.22611/jpf.v6i2.7629.