a Singh, Pankaj Kumar \a Library and Information Services and Systems \h [Text] \c by Pankaj Kumar Singh - \a 1st-ed. \b // - \a New Delhi: \b Discovery Publishing House PVT. Ltd., \c 2014. - \a 302p.: \b ill. \a Includes index ISBN: \a 9789350564288 Subjects--Topical Terms: LC Class. No.: \a ZA 3157 Sin / \b 499316