Chopra, R. N., Dictionary of Library Science / R. N. Chopra - 1st ed. - New Delhi : Anmol Publications Pvt. Ltd., c1990. [reprint 2006] - 375 p. : 22 cm. ISBN: 8126130660 Subjects--Topical Terms: Library ScienceInformation Science Dewey Class. No.: 020.3 / C4558d