Gamma, Erich <br/><br/>
Design patterns elements of reusable object-oriented software 
/by Erich Gamma... [et.al.] 
 - New Delhi  Pearson Education  2012 
 - xiii, 395 p. 
<br/><br/><label>ISBN: </label>8131700075 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Object oriented programming
<br/><br/><label>Dewey Class. No.: </label>005.117  / DES