Gamma E et al. <br/><br/>
Design Patterns: Elements of Reusable Object-Oriented Software 

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 - xv+395 
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<br/><br/><br/>English 
<br/><br/><label>ISBN: </label>9788131700075 
<br/><br/><label>Subjects--Topical Terms: </label><br/>"Mechanical, "Design Patterns