00780nam a22002171a 4500 1/16955 000316s1999 enk eng d 0130170372 17472 DLC GR-PeUP 005.8 EL Electronic commerce relationships : trust by design / Peter Keen...[et al]. New Jersey : Prentice Hall PTR, 1999 247 p. ; 25 cm. Index Electronic commerce Security measures. Business enterprises Computer networks Security measures. Internet (Computer network) Security measures. Keen, Peter G. W. INST UNIPILB MAIN 20040709 005.8 EL 00133628 00133628 LOAN 0 1 /webopac/covers/01/17472_0130170372.jpg