Kumar P.S.G. Information sources and services Theory and practice (paper VI and VII of UGC model curriculum) - Delhi B.R. Publishing Corporation 2004 - viii, 390p. cm. - Kumar's curriculum series in library and information science, 6 . Standard No.: 221,772 Source: Textual Subjects--Topical Terms: LIBRARY SCIENCE Dewey Class. No.: 2:7, P4(2D)