Practical software project estimation :  a toolkit for estimating software development effort & duration / 
International Software Benchmarking Standards Group ; compiled and edited by Peter R. Hill 
 - New York :  McGraw-Hill ,  c2011 
 - xxii, 289 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references (p. 279-282) and index 
<br/><br/><label>ISBN: </label>9780071717915 0071717919 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer software--Development--Estimates<br/>Computer software--Development--Costs