Hutabarat HD, Hasibuan FA. THE RELATIONSHIP BETWEEN UNDERSTANDING OF ABILITY TO PROBLEM SOLVING CONCEPTS PHYSICAL CAPABILITIES FORM ABSTRACT STUDENT CLASS X SMA NEGERI 1 ANGKOLA BARAT. JPF Unimed [Internet]. 2019 Dec. 27 [cited 2025 Jul. 5];8(2):135-40. Available from: https://jurnal.unimed.ac.id/2012/index.php/jpf/article/view/13789