Ni Made Prema Wahini dan Ni Nyoman Ganing 2023. The Project-Based Learning Model Improves Science Knowledge Competencies of Class V Elementary School Students. MIMBAR PGSD Undiksha. 11, 2 (Agu 2023), 256–263. DOI:https://doi.org/10.23887/jjpgsd.v11i2.60249.