Madalli Devika P. Ed. In collaboration with Indian national digital library engineering sciences and technology (INDEST), Indian institute of technology (IIT), Delhi; United States educational foundation in India (USEFI) - Banglore DRTC 2004 - 198P cm. Standard No.: 228,910 Source: Textual Subjects--Topical Terms: LIBRARY SCIENCE Dewey Class. No.: 2:4:(D65,8[B]p213PO4, P4(2D)