Alonso, Robert. <br/><br/>
Turbo pascal dos utilities   
by Robert Alonso. 
 - New york  John Wiley & Sons, Inc.  1987 
 - viii, 163p. 
<br/><br/><label>ISBN: </label>0471859958 
<br/><br/><label>Dewey Class. No.: </label>001.64247p  / N87