This paper introduces how to develop document delivery services in middle or small-sized library, and several approaches to obtaining documents.

本文介绍了如何在中小型图书馆开展文献传递服务，及几种原文获取的途径。

youdao

This paper introduces how to develop document delivery services in middle or small-sized library, and several approaches to obtaining documents.

本文介绍了如何在中小型图书馆开展文献传递服务，及几种原文获取的途径。

youdao