Rayendra Wahyu Bachtiar, I Ketut Mahardika, Lika Indria Riswati, , trans. 2017. “Study of Momentum and Impulse by Setting NHT Cooperative Model With Worksheet Based RGM for Senior High School”. International Journal of Scientific Research and Management (IJSRM) 5 (8): 6821-27. https://doi.org/10.18535/ijsrm/v5i8.31.