Yosepa, Rika. “IMPROVING PHYSIC LEARNING ACHIEVEMENT ON DYNAMIC ROTATION THROUGH PROBLEM BASED LEARNING METHOD ON GRADE XI 3 SCIENCE PROGRAM AT CITEUREUP 1 SENIOR HIGH SCHOOL”. Wahana Journal of Action Research 1, no. 2 (October 5, 2019): 15-23. Accessed July 2, 2020. http://jurnal.sman1parung.sch.id/index.php/jar/article/view/9.