Kumar P S G Information and communication - Delhi B R Publishing Corporation 2004 - viii, 459p. cm. - Kumar's curriculum series in library and information science; 8 . Index 455-459p. ISBN: 817646418X (pbk) Standard No.: 56268 Source: Textual Subjects--Topical Terms: Information sourcesLibrary Science Dewey Class. No.: 20aD65,4, P4 T2