# Problem-based learning flipped classroom design for developing higher-order thinking skills during the COVID-19 pandemic in geometry domain

> Research article (Journal of Physics Conference Series, 2020) · cited 31× · AI/ML

**Wikidata**: [openalex:W3096354032](https://www.wikidata.org/wiki/openalex:W3096354032)  
**Source**: https://4ort.xyz/entity/problem-based-learning-flipped-classroom-design-for-developing-higher-order-thinking-skills-during-the-covid-19-pandemic