“CHARACTERISTIC OF MECHANICS TEACHING MATERIALS FOR INCREASING STUDENTS OF PHYSICS TEACHER CANDIDATES REPRESENTATION ABILITY ON VERBAL, MATHEMATICAL, PICTURE, AND GRAPHIC”. Jurnal Pengajaran Matematika dan Ilmu Pengetahuan Alam 18, no. 2 (October 20, 2013): 214–220. Accessed July 1, 2026. https://ejournal-science.upi.edu/jpmipa/article/view/621.