00373nam a2200121 a 450000500170000002000180001708200170003510000150005224501050006726000410017230000210021370000170023420251203111151.0  a9788170005582  a025.524bDAN  aDanrita, J  aFuture concept of library & information services changesbchallenges & role of library professionals  aNew DelhibEss Ess Publicationc2009  a563p.c23cm.bHB  aMarichamy, T