the process of collection development, collection generating and obtaining information is of basic debates in libraries and information centers which a lot of articles have been written about the methods of collection development of information as well as the application of information technology, accordingly, to this day. this article, as opposed to other articles, which are about the prevaili...

the process of collection development, collection generating and obtaining information is of basic debates in libraries and information centers which a lot of articles have been written about the methods of collection development of information as well as the application of information technology, accordingly, to this day. this article, as opposed to other articles, which are about the prevaili...

the principal goal of this research is the feasibility study of presentation electronic reference services in such centers. in this research, we apply measuring methods in different stages. through this way, we attempt to focus on special governmental information centers in tehran which use internet for acquisition and dissemination of information and also for reference services, methods of col...

the access to health information for all people is the fundamental goal of the world health organization (who). it comes tr ue when both health professionals and patients as beneficiaries have access to health information. medical librarians play an important role in facilitating access to health information, and this role should be in the context and framework of scientific principles. the pri...

purpose: libraries and information centers as information storage and retrieval systems can develop with the adoption of cybernetics rules. this paper discusses system dynamics, control, feedback, and other cybernetic concepts especially in information storage and retrieval systems. methodology: this study is a review intending to find what cybernetics and lis have in common especially in the f...