Layard, P. R. G. <br/><br/>
Cost-benefit analysis :  selected readings / 
edited by Richard Layard 
 - Harmondsworth :  Penguin,  1972 
 - 496 p. :  ill, maps ;  19 cm. 
 - Penguin education .
<br/><br/>Bibl. - Index 
<br/><br/><label>ISBN: </label>0140806458 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cost effectiveness--Addresses, essays, lectures