検索結果 - "Electronic reference sources"
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Reference and information services in the 21st century : an introduction /
出版事項 2011主題: “…Electronic reference sources Directories.…”
図書 -
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The reference guide to data sources /
出版事項 2014主題: “…Electronic reference sources Handbooks, manuals, etc.…”
An electronic book accessible through the World Wide Web; click to view
電子媒体 eBook