Hansen, John R. <br/><br/>
Guide to practical project appraisal :  social benefit-cost analysis in developing countries / 
John R. Hansen. 
 - New York :  United Nations,  1978. 
 - viii, 121 p. : 
<br/><br/> "Written by John R. Hansen." 
<br/><br/><label>ISBN: </label>SSCF1531 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economic development projects
<br/><br/><label>Dewey Class. No.: </label>338.9  / Gu