Vitasari, Shita Dhiyanti, and Supahar Supahar. “Assessment Instrument of Scientific Literacy Skills on Motion and Simple Machines Learning Based on Nature of Science”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 40, no. 1, July 2018, pp. 108-19, https://gssrr.org/JournalOfBasicAndApplied/article/view/9095.