Williams, Robert H <br/><br/>
The cost-effectiveness of GEF projects: working paper no. 6 
Dennis Anderson; Robert H. Williams 
 - Washington D.C.:  World Bank  1993 
 - v, 34p.: ill. 
 - Global Environment Facility .
<br/><br/><label>ISBN: </label>1884122051 
<br/><br/><label>Subjects--Topical Terms: </label><br/>RESEARCH--ENVIRONMENTAL ASPECTS<br/>ENVIRONMENT
<br/><br/><label>LC Class. No.: </label>IBRD(08)