Pelawi, Halimatus Sakdiah, and Karya Sinulingga. “EFFECT OF PROBLEM BASED LEARNING MODEL AND MOTIVATION LEARNING ON LEARNING OUTCOMES IN CLASS X SMA SINAR HUSNI”. Jurnal Pendidikan Fisika 5, no. 1 (June 1, 2016): 32–37. Accessed July 3, 2025. https://jurnal.unimed.ac.id/2012/index.php/jpf/article/view/3704.