# Mixed Analysis of the Flipped Classroom in the Concrete and Steel Structures Subject in the Context of COVID-19 Crisis Outbreak. A Pilot Study

> Research article (Sustainability, 2021) · cited 12× · AI/ML

**Wikidata**: [openalex:W3161406564](https://www.wikidata.org/wiki/openalex:W3161406564)  
**Source**: https://4ort.xyz/entity/mixed-analysis-of-the-flipped-classroom-in-the-concrete-and-steel-structures-subject-in-the-context-of-covid-19-crisis-o