Heggie, Ian G. <br/><br/>
Optimal user charges and cost recovery for roads in developing countries 
by Ian G. Heggie and Vincy Fon 
 - Washington, D.C.  IBRD  1991 
 - 50p. 
 - IBRD. Working Papers: WPS 780 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Roads
<br/><br/><label>Dewey Class. No.: </label>X6 H362