Wulandari, Mashelin, Ricky Purnama Wirayuda, Febritia Aldila, and Retno Wulandari. 2020. “Description of students’ Integrated Science Process Skills on Friction Material on a Flat Field”. Lensa: Jurnal Kependidikan Fisika 8 (2):93-103. https://doi.org/10.33394/j-lkf.v8i2.3206.