Systems Theory and Management Information Systems Simplified / 
Nisar Ahmed Saleemi 
 - Nairobi:  Saleemi Publications ,  2000. 
 - 540 p ,: 
<br/><br/><label>ISBN: </label>9966288864 
<br/><br/><label>LC Class. No.: </label>T58.6  / .S34 2000