Online Public Access Catalogue (OPAC)Library,Documentation and Information Science Division
“A research journal serves that narrow
borderland which separates the known from the unknown”
-P.C.Mahalanobis
020 R238 129907
Ratzan Lee Understanding information systems what they do and why we need them New Delhi Indiana 2009 xvi,253p. 978-81-8408-238-X * Computer science-popular works Information science Information storage and retrieval systems Mathematics-popular works