van der Tak, Herman G. <br/><br/>
The Economic benefits of road transport projects 
by Herman G. van der Tak and Anandarup Ray 
 - Washington, D.C.  IBRD  1971 
 - 42p. 
<br/><br/><label>ISBN: </label>080181314X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Transportation --Mathematical models
<br/><br/><label>Dewey Class. No.: </label>X6 V26