1. Virtual reference services :issues and trends

کتابخانه: كتابخانه مركزی كشاورزى (تهران)

موضوع : $AElectronic reference services )Libraries(,$AElectronic reference services )Libraries($BUnited States -- Case studies,$AInternet in library reference services,$AReference services )Libraries($BInformation technology

رده :
Z
711
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45
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V577
2003