从连续三年中美高校图书馆电子资源建设经费统计数据看馆藏电子资源建设发展趋势
종련속삼년중미고교도서관전자자원건설경비통계수거간관장전자자원건설발전추세
The Tendency of Electronic Resources Development by Analyzing the Statistics of Three Consecutive Years of Electronic Resources Expenditures in Chinese and American Academic Libraries