Design patterns :  elements of reusable object-oriented software / 
Erich Gamma ... [et al.]. 
 - Boston :  Addison-Wesley ;  1995. 
 - xv, 395 p. :  ill. ;  25 cm. 
 - Addison-Wesley professional computing series. .
<br/><br/>Includes bibliographical references (p. 375-381) and index. 
<br/><br/>
<br/><br/><label>ISBN: </label>0201633612 (acid-free paper)  RM221.06 0201633612  Hadiah 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Object-oriented programming (Computer science).<br/>Computer software--Reusability.<br/>Software patterns.