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Cooke, A.: ¬A guide to finding quality information on the Internet : selection and evaluation strategies (1999)
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Bradley, P.: Advanced Internet searcher's handbook (1998)
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Croft, W.B.; Metzler, D.; Strohman, T.: Search engines : information retrieval in practice (2010)
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Next generation search engines : advanced models for information retrieval (2012)
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