AUTHOR=Sun Li , Zhang Chi , Liu Qingchun , Xu Changxin , Song Min 

TITLE=Spatiotemporal evolution and optimization analysis of investment efficiency in China’s agricultural water conservancy infrastructure based on a two-stage DEA model

JOURNAL=Frontiers in Earth Science

VOLUME=12

YEAR=2024

URL=https://www.frontiersin.org/journals/earth-science/articles/10.3389/feart.2024.1452535

DOI=10.3389/feart.2024.1452535

ISSN=2296-6463