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Shachaf, P.; Oltmann, S.M.; Horowitz, S.M.: Service equality in virtual reference (2008) 1.00
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Shachaf, P.: ¬The paradox of expertise : is the Wikipedia Reference Desk as good as your library? (2009) 1.00
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Rosenbaum, H.; Shachaf, P.: ¬A structuration approach to online communities of practice : the case of Q&A communities (2010) 1.00
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Hara, N.; Shachaf, P.; Hew, K.F.: Cross-cultural analysis of the Wikipedia community (2010) 1.00
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