Tarigan, Ratelit. “INFLUENCE STRATEGY LEARNING BASED PROBLEMS WITH THE CONVENTIONAL LEARNING TO STUDENT LEARNING OUTCOMES”. Jurnal Pendidikan Fisika 2, no. 1 (June 1, 2013): 68–73. Accessed July 5, 2025. https://jurnal.unimed.ac.id/2012/index.php/jpf/article/view/4339.