00454nam a2200133Ia 4500003000400000020001800004082001100022100001900033245004800052260005300100300001000153650002200163653013500185SGT  a9788187325727  a4bSID  aSidhu,Bhavneet 3aAn integrated approach to computer networks  bKhanna Books Publishing Co. Ltd.aN. Delhic2009  a504p.  aCOMPUTER SCIENCE   aINTRODUCTION TO COMPUTER NETWORK, DATA LINK LAYER, MULTIPLEXING TECHNIQUES, TELEPHONE SYSTEM AND ISDN SERVICES, TRANSMISSION MEDIA