@article{article, title  = {{Can the establishment of National Key Ecological Functional Zones improve air quality? : An empirical study from China}},

 publisher = {{Public Library of Science (PLoS)}},

 url = {{}},

 year = {{2021}},

 month = {{2}},

 author = {{Li G and Li L and Li X and Chen Y}},

 doi = {{10.1371/journal.pone.0246257}},

 volume = {{16}},

 journal = {{PLoS ONE}},

 issue = {{2}},

 note = {{Accessed on 2024/12/22}}}