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Chowdhury, G.G.: How to improve the sustainability of digital libraries and information services? (2016)
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Ostertag, J.K.; Ritchie, D.G.: ¬The impact of reference services of networking CD-ROM databases : a preliminary look at one case (1996)
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Pair, C.I.: Formal evaluation methods : their utility and limitations (1995)
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Henderson, A.: Information science and information policy : the use of constant dollars and other indicators to manage research investments (1999)
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Cibbarelli, P.R.; Gertel, E.H.; Kratzert, M.: Choosing among the options for patron access databases : print, online, CD-ROM, or locally mounted (1993)
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