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Hoskisson, T.: Making the right assumptions : know your user and improve the reference interview (1998)
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Kenney, A.R.; McGovern, N.Y.; Martinez, I.T.; Heidig, L.J.: Google meets eBay : what academic librarians can learn from alternative information providers (2003)
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Watstein, S.: Reference service in a digital age (1998)
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Shachaf, P.: ¬The paradox of expertise : is the Wikipedia Reference Desk as good as your library? (2009)
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