Facial Expressions of Visitors in Forests along the Urbanization Gradient: What Can We Learn from Selfies on Social Networking Services?
Wei, Hongxu, Hauer, Richard J., Chen, Xin, He, XingyuanVolume:
10
Journal:
Forests
DOI:
10.3390/f10121049
Date:
November, 2019
File:
PDF, 1.55 MB
2019