Weille, Jan de,  1932- <br/><br/>
A review of 62 road project appraisal reports, 1960-1966 / 
 A review of sixty two project appraisal reports, 1960-1966 
Jan De Weille, Hawthorne Angeles 
 - Washington, D.C. :  IBRD,  1967 
 - iii, 47 p. :  ill. ;  27 cm. 
 - Economics department working paper ;  no.5 .
 - Economics department working paper (IBRD) ;  no.5 .
<br/><br/> 'December 4, 1967' 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Roads--Design and construction--Developing countries