Enrick, Norbert L.. <br/><br/>
Management Planning: A Systems approach /  

 - 1st ed /  
 -  McGraw-Hill, Inc.. 
 - p217 :  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Commerce
<br/><br/><label>Dewey Class. No.: </label>8  / K7