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Lankes, R.D.: New concepts in digital reference (2009)
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- LCSH
- Electronic reference services (Libraries)
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- Synthesis lectures on information concepts, retrieval & services; 1
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- Electronic reference services (Libraries)
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Lankes, R.D.; Collins, J.W.; Kasowitz, A.S.: Digital reference service in the new millennium : planning, management, and evaluation (2000)
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