01004nam a2200301 i 450099100116482970753620020507184432.0980720s1997 us ||| | eng 0875847595b10809727-39ule_instLE01308057ExLDip.to Matematicaeng519.3AMS 90BHagel, John536198Net gain :expanding markets through virtual communities /John Hagel III, Arthur G. ArmstrongBoston :c1997xv, 238 p. :ill. ;25 cm.Includes indexCustomer relationsInternet marketingArmstrong, Arthur.b1080972721-09-0628-06-02991001164829707536LE013 90B HAG11 (1997)12013000101491le013-E0.00-l- 00000.i1091496128-06-02Net gain925000UNISALENTOle01301-01-98ma -engus 01