| Summary: | Increasing demand in the advanced developing countries for more information more quickly has called into serious question the traditionally fragmented nature of information services by creating a need for greater inter-institutional cooperation. Libraries and information centres have responded to this need by the formation of networks serving limited geographical areas or various special interests. Unless an inclusive network is established on a national scale, expendi tures, facilities and efforts will be unnecessarily duplicated and interconnection will become increasingly difficult as regional and specialised networks develop without a common approach. The time has come in every advanced developing country to create a national information network which would weld together its separate insulated information resources into a nationwide network. The purpose of this study is to identify common information needs and desires responsible for the present information services in the advanced developing countries, and to design a generalised structure of national information networks based on the common factors identified. This study was carried out by postal questionnaire, personal interview and literature review. The countries investigated are: Brazil, Colombia, Hong Kong, Iran, Iraq, Kenya, Korea, Kuwait, Malaysia, Malta, Mexico, Taiwan, Turkey, Venezuela and Yugoslavia. The data gathered by questionnaire and interview have been arranged in fifteen country reports to be summarised later by crocos-section characteristics, requirements and constraints. By choosing between the alternative network models and configurations, a generalised structure of national information networks based on the common characteristics of the information needs and desires existing in the advanced developing countries has been presented. The investigator has attempted in this study to view a network as an arrangement of different functional units working together to accomplish the purpose of the whole rather than an integrated set of different specialised networks such as those in agriculture, chemistry, economics, education, etc.
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