基于期刊阅读群划分的期刊服务探索*--以北京青年政治学院图书馆为例
기우기간열독군화분적기간복무탐색*--이북경청년정치학원도서관위례
Probe into the Journal Service Based on the Division of Journal Reading Groups---Taking the Library of Beijing Youth Politics College as an Example
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