期刊下载因子：传播、影响、知识与信息量的综合指标—

俞立平

Journal Download Factor: A Composite Indicator of Dissemination, Impact, Knowledge and Information

YU Liping

农业图书情报学报 . 2023, (11): 77 -85 . DOI: 10.13998/j.cnki.issn1002-1248.23-0757