Eakin, L., & Pomerantz, J. Virtual reference, real money: Modeling costs in virtual reference services.
Trích dẫn kiểu ChicagoEakin, Lori,., và Jeffrey Pomerantz. Virtual Reference, Real Money: Modeling Costs in Virtual Reference Services.
ציטוט MLAEakin, Lori,., và Jeffrey Pomerantz. Virtual Reference, Real Money: Modeling Costs in Virtual Reference Services.
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