Suryani, Yani, I Wayan Distrik, and Agus Suyatna. 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):166-73. https://doi.org/10.29121/granthaalayah.v6.i4.2018.1639.