# Campus outdoor environment, learning engagement, and the mental health of college students during the COVID-19 pandemic: From the perspective of students in different grades

> Research article (Frontiers in Public Health, 2023) · cited 25× · AI/ML

**Wikidata**: [openalex:W4364367859](https://www.wikidata.org/wiki/openalex:W4364367859)  
**Source**: https://4ort.xyz/entity/campus-outdoor-environment-learning-engagement-and-the-mental-health-of-college-students-during-the-covid-19-pandemic-fr