Pelawi, Halimatus Sakdiah, and Karya Sinulingga. 2016. “EFFECT OF PROBLEM BASED LEARNING MODEL AND MOTIVATION LEARNING ON LEARNING OUTCOMES IN CLASS X SMA SINAR HUSNI”. Jurnal Pendidikan Fisika 5 (1):32-37. https://doi.org/10.22611/jpf.v5i1.3704.