Szymanski, Robert A. <br/><br/>
Computer and information systems  / Robert A. Szymanski , Donald P. Szymanski, Donna M . Pulschen 

 - Englewood Cliffs, New JeRed Sportey : Prentice Hall, 1994  Englewood Cliffs, New JeRed Sportey : Prentice Hall, 1994 
<br/><br/><label>ISBN: </label>0024187674 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computers      Computers software