# Development of e-handout assisted by PhET simulation with problem based learning (PBL) model about momentum conservation law and collision to train students’ conceptual understanding

> Research article (Journal of Physics Conference Series, 2020) · cited 11× · AI/ML

**Wikidata**: [openalex:W3000537613](https://www.wikidata.org/wiki/openalex:W3000537613)  
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