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China's Development Policies for Surveying Service Industries: From the Perspective of Textual and Quantitative Analysis
HAO Jie, XIAO Yuan, QIAN Minghui, ZONG Yijun
Journal of Library and Information Science in Agriculture . 2021, (
3
): 28 -37 . DOI: 10.13998/j.cnki.issn1002-1248.20-0127