Yosepa, R. “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, Vol. 1, no. 2, Oct. 2019, pp. 15-23, http://jurnal.sman1parung.sch.id/index.php/jar/article/view/9.