Suryani, Y., Distrik, I.W. and Suyatna, A. 2018. THE PRACTICALITY AND EFFECTIVENESS OF STUDENT WORKSHEET BASED MULTIPLE REPRESENTATION TO IMPROVE CONCEPTUAL UNDERSTANDING AND STUDENTS’ PROBLEM-SOLVING ABILITY OF PHYSICS. International Journal of Research -GRANTHAALAYAH. 6, 4 (Apr. 2018), 166–173. DOI:https://doi.org/10.29121/granthaalayah.v6.i4.2018.1639.