"stallings, william . "
business data communications: / william.. stallings - 5 ed. - new jersey : pearson 2005. - "xviii, 584p.; 24 cm."
0-13-144257-0 hard cover
business-data processing--business-communication systems-data processing
004. 6 sta
business data communications: / william.. stallings - 5 ed. - new jersey : pearson 2005. - "xviii, 584p.; 24 cm."
0-13-144257-0 hard cover
business-data processing--business-communication systems-data processing
004. 6 sta