See Allo

Expert systems in reference services / Christine Roysdon, Howard D. White, editors

Haworth Press, 1989

Buku Referensi

Katz, Wiliiam A.

Introduction to reference work : volume II, reference services and reference processes / William A. Katz

McGraw-Hill, 1992

Buku Referensi

Katz, Wiliiam A.

Introduction to reference work : volume I, basic information sources / William A. Katz

McGraw-Hill, 1992

Buku Referensi

Katz, William A., 1924-, author

Introduction to reference work

McGraw-Hill, 2002

Buku Teks

Bopp, Richard E., author

Reference and information services : an introduction

Libraries Unlimited, 2001

Buku Teks

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