Ashworth, A. <br/><br/>
Social research and social policy 
Howard E. Freeman, Clarence C. Sherwood. 
 - 4th.ed. 
 - Harlow  Prentice Hall  c2004. 
 - xx, 492 p.  ill.  23 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>013145322X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Building--Cost effectiveness.<br/>Construction industry--Finance.