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Souza, Y.d.: Reference work with international students : making the most use of the neutral question (1996)
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Engeldinger, E.A.: Improving reference : preliminary thought on a return to the classroom (1994)
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Noble, I.: Encyclopedia presents poor image (1996)
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Tenopir, C.: Online databases : the new generation of online search software (1993)
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Poynder, R.: Beyond Boolean (1994)
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