Gray, Pamela A. (Pamela Anne). <br/><br/>
Open systems:  a business strategy for the 1990/ 
Pamela A. Gray. 
 - London:  McGraw-Hill,  1991. 
 - 263 pages ;   24 cm. 
<br/><br/><label>ISBN: </label>0077072448 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic data interchange.