A library/information professional does the liaison work in DDS. Many countries have made provision in their copyright laws to allow copying in a limited way for “fair use” by scholars and researchers. When a copy of any document or a portion of a document is supplied to the user it involves legal issue. Mainly xerography is now being used for preparing photocopies of documents. With the advent of various reprographic techniques, it has now become possible to supply photocopies of required portions of documents. ![]() This system is still prevalent in many countries. Inter-library lending has been the earliest method used for document delivery. Various media are employed for document delivery, such as delivery from circulation desk within the library, or at the user’s doorstep by messenger or by post/courier, transmission through fax, delivery of document recorded on CD/DVD, transmission of soft copy through intranet or as e-mail attachment. Amitabha Chatterjee, in Elements of Information Organization and Dissemination, 2017 Abstractĭocument delivery service (DDS) or document supply service “refers to the physical or electronic delivery of a document from a library collection to the residence or place of business of a library user, upon request.” The steps to be followed in providing DDS are: receipt and analysis of demand, identification and location of required document, procurement of document, copying the required portion of the document, if required, and delivering the original/copy of the required portion of the document to the user.
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