Lal, C ग्रंथालय एवं सूचना विज्ञान अध्ययन माला: Part-iv Granthalaya Avam Soochana Vigyan Addhyana Mala - New Delhi: Ess Ess Publications, 2004 - 141p. ISBN: 81-7000-400-4 Subjects--Topical Terms: Library Subjects--Index Terms: Information Science Universal Decimal Class. No.: 02 / P4.4