01022nam a2200217Ia 4500 CTU_144610 210402s9999 xx 000 0 und d 100.75 025.552 K11/Vol.1 Katz, William A Introduction to reference work William A Katz Boston McGraw-Hill 2002 The book explains the essential reference processes and sources in today;s libraries. It is a tool for understanding and mastering fundamental reference forms - online, in print, and elsewhere. This eighth edition is completely rewritten to reflect the radical changes library science has undergone since the advent of widely available electronic databases and the Internet Reference services (Libraries),Reference books,Dịch vụ tra cứu (Thư viện),Sách tra cứu Bibliography,Thư mục Huỳnh Mai Trung tâm Học liệu Trường Đại học Cần Thơ