Gamma, Erich;Helm, Richard;Johnson, Ralph;Vlissides, John. <br/><br/>
Design patterns: elements of reusable object oriented software.  Elements of reusable object oriented software. 

 - 1 
 - New Delhi  Pearson Education  2008 
 - xvii,380/2016 
<br/><br/><label>ISBN: </label>9788131700075 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Object Oriented Analysis & Design
<br/><br/><label>Dewey Class. No.: </label>005.364 GAME