11 下列何者為臺灣學術電子書暨資料庫聯盟採用的新型電子書採購方法? (A)A..-阿摩線上測驗
2F 주묘묘 小三下 (2019/07/07)
Patron-driven acquisition (PDA), also referred to as demand-driven acquisition (DDA),[1] is a model of library collection development in which a library only purchases materials when it is clear that a patron wants them. In an ideal transaction, libraries provide the patron with access to search engines, academic databases and/or library catalogs from which the patron can request items. When certain thresholds are reached for an item (e.g., number of pages read or number of requests), the library purchases the item and delivers instant access to patrons.[2]The library may acquire th... 查看完整內容 |
3F
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