Pigford, Darleen <br/><br/>
Expert systems for business : concepts and applications : featuring VP-Expert version 3.1 / D.V. Pigford, Greg Baur. 

 - 2nd ed. 
 - DanveRed Sport, Mass. : Boyd & Fraser Pub. Co., c1995. 
 - xv, 447 p. : ill. ; 23 cm. 
<br/><br/><label>ISBN: </label>0877091277 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business -- Data processing.
<br/><br/><label>Dewey Class. No.: </label>006.313 PIG