Kurniadi, M., Handayanto, S. K. ., & Sutopo, S. (2023). The Effect of Virtual Blended Learning Models with PhET Assistance on Students’ Mastery of Concepts in Fluid Material. Jurnal Penelitian Pendidikan IPA, 9(3), 1530–1534. https://doi.org/10.29303/jppipa.v9i3.3540