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Liu, Z.; Wang, C.: Mapping interdisciplinarity in demography : a journal network analysis (2005)
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Liu, Z.: ¬The evolution of documents and its impacts (2004)
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Wan, G.; Liu, Z.: Content-based information retrieval and digital libraries (2008)
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Liu, Z.: Print vs. electronic resources : a study of user perceptions, preferences, and use (2006)
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Liu, Z.; Huang, X.: Gender differences in the online reading environment (2008)
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Liu, Z.: Reading behavior in the digital environment : changes in reading behavior over the past ten years (2005)
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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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Lim, E.-P.; Liu, Z.; Yin, M.; Goh, D.H.-L.; Theng, Y.-L.; Ng, W.K.: On organizing and accessing geospatial and georeferenced Web resources using the G-Portal system (2005)
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