Irwin, George <br/><br/>
Modern cost-benefit methods; an introduction to financial, economic and social appraisal of development projects  / 

 - London:  Macmillan,  1978 
 - xiii, 257p. Index 
<br/><br/><label>ISBN: </label>0333232089 
<br/><br/><label>Dewey Class. No.: </label>338.51024658  / Ir72.MC