Design patterns :  elements of reusable object-oriented software / 
Erich Gamma ... [et al.]. 
 - New Delhi :  Pearson,  c2011. 
 - xv, 395 p. : 
 - Addison-Wesley professional computing series .
<br/><br/><label>ISBN: </label>9788131700075 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Object-oriented programming (Computer science)<br/>Computer software--Reusability.<br/>Software patterns.
<br/><br/><label>Dewey Class. No.: </label>004.41  / DES