Sierra, Kathy and Bates, Bert. <br/><br/>
Head first EJB / 

 - 1st. 
 - Calfornia,  O'Reilly,  c2003. 
 - xxx, 700p. ;  ill. ;  23 cm. 
<br/><br/><label>ISBN: </label>0596005717 
<br/><br/><label>Dewey Class. No.: </label>005.133