Sudghen, Robert. <br/><br/>
The Principles of practical cost-benefit analysis / 
Robert Sudgen and Alan Williams. 
 - London :  Oxford University Press,  1978. 
 - 275 p. : 
<br/><br/><label>ISBN: </label>0198770405 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cost effectiveness
<br/><br/><label>Dewey Class. No.: </label>339.41  / Pr