高校图书馆地区联合采购电子资源效益调查分析——以天津工程师范学院图书馆为例
고교도서관지구연합채구전자자원효익조사분석——이천진공정사범학원도서관위례
The Survey Analysis on the Benefit of Regional Joint-purchasing of Electronic Resources by University Libraries -Taking the Library of Tianjin University of Technology & Education as an Example
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