Gessford, John Evans. <br/><br/>
Modern information systems :  designed for decision support / 
John Evans Gessford. 
 - Reading, Mass. :  Addison-Wesley Pub. Co.,  c1980. 
 - xii, 512 p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>0201030993 : 
<br/><br/><label>LCCN: </label>78074684  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Management information systems.<br/>Decision support systems.
<br/><br/><label>LC Class. No.: </label>HF5548.2  / .G48 
<br/><br/><label>Dewey Class. No.: </label>658.05  / GEM 1980