00734nam a22001577a 4500 2012021600430.0 8170002745 250.00 B-19404 DPL ENG Sooryanarayana,P.S. 42552 Communication Technology: by P.S. Sooryanarayana Its Impact on Library and information Science New Delhi Ess Ess Publication 2001 103p. 22 cms. ddc EN 020.285 SOO 63186 63186 0 0 0 0 NFIC ZLS ZLS 2012-02-18 0 020.285 SOO B-19404 2012-02-18 00:00:00 2012-02-18 EN