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Tseng, G.; Poulter, A.; Hiom, D.: ¬The library and information professional's guide to the Internet (1997)
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Drenth, H.; Morris, A.; Tseng, G.: Expert systems as information intermediaries (1991)
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Drenth, H.; Morris, A.; Tseng, G.: ¬The development of an expert system for online company database selection (1994)
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Morris, A.; Tseng, G.; Drenth, H.: ¬The development of an expert system for online company database selection : phase 2 (1994)
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Tseng, G.; Poulter, A.; Hiom, D.: ¬The library and information professional's guide to the Internet (1996)
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