Takang, Amstrong A <br/><br/>
Software maintenance : concepts and practice 

 - London  International Thomson Computer Press  1996 
 - xiv, 219p.   
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9781850321927 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Software engineering