Putri, W. E., Sunarno, W., & Marzuki, A. (2021). Analysis of The Students’ Argumentative Skills of Senior High School in Covid-19 Pandemic using Problem Based Learning in Static Fluid. Jurnal Penelitian Pendidikan IPA, 7(3), 335–343. https://doi.org/10.29303/jppipa.v7i3.735