Gamma, Erich <br/><br/>
Design patterns   elements of reusable object-oriented software  [Book] 
Erich Gamma. 
 -  Pearson Education Singapore 
<br/><br/> All. 
<br/><br/><label>ISBN: </label>8131700070 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Object-Oriented Programming (Computer Sciences)
<br/><br/><label>Dewey Class. No.: </label>005.12