Erich Gamma, Richard Helm <br/><br/>
Design Patterns  Elements of Reusable Object Oriented Software 

 - India:  Pearson Education,  2018. 
<br/><br/><label>ISBN: </label>9789332555402 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Elements of Reusable Object Oriented Software
<br/><br/><label>Dewey Class. No.: </label>005.12  / GAM