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Buckland, M.K.; Liu, Z.: History of information science (1995)
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Theng, Y.-L.; Goh, D.H.-L.; Lim, E.-P.; Liu, Z.; Yin, M.; Pang, N.L.-S.; Wong, P.B.-B.: Applying scenario-based design and claims analysis to the design of a digital library of geography examination resources (2005)
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Liu, Z.: ¬The evolution of documents and its impacts (2004)
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