LEADER 01004nam a2200301 i 4500 001 991001164829707536 005 20020507184432.0 008 980720s1997 us ||| | eng 020 $a0875847595 035 $ab10809727-39ule_inst 035 $aLE01308057$9ExL 040 $aDip.to Matematica$beng 082 0 $a519.3 084 $aAMS 90B 100 1 $aHagel, John$0536198 245 10$aNet gain :$bexpanding markets through virtual communities /$cJohn Hagel III, Arthur G. Armstrong 260 $aBoston :$cc1997 300 $axv, 238 p. :$bill. ;$c25 cm. 500 $aIncludes index 650 4$aCustomer relations 650 4$aInternet marketing 700 1 $aArmstrong, Arthur 907 $a.b10809727$b21-09-06$c28-06-02 912 $a991001164829707536 945 $aLE013 90B HAG11 (1997)$g1$i2013000101491$lle013$o-$pE0.00$q-$rl$s- $t0$u0$v0$w0$x0$y.i10914961$z28-06-02 996 $aNet gain$9925000 997 $aUNISALENTO 998 $ale013$b01-01-98$cm$da $e-$feng$gus $h0$i1