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Yan, E.; Li, K.: Which domains do open-access journals do best in? : a 5-year longitudinal study (2018)
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Mulvany, N.C.: Back-of-the-book indexing (2009)
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Moys, E.M.: Legal vocabulary and the indexer (1992)
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Chen, K.-n.: Dynamic subject numbers replace traditional classification numbers (2013)
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Dal Porto, S.; Marchitelli, A.: ¬The functionality and flexibility of traditional classification schemes applied to a Content Management System (CMS) : facets, DDC, JITA (2006)
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