Labor-based construction and maintenance of low-volume roads / 
Transportation Research Board, Commission on Sociotechnical Systems, National Research Council. 
 - Synthesis - 3 
 - Washington, D.C. :  National Academy of Sciences,  1981. 
 - vi, 67 p. :  ill. ;  28 cm. 
 - Transportation technology support for developing countries :  Synthesis ;  3 .
<br/><br/> "Prepared under contract AID/OTR-C-1591, project 931-1116, U.S. Agency for International Development." 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0309031028 
<br/><br/><label>LCCN: </label>81000333  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Roads--Developing countries.<br/>Labor supply--Developing countries.
<br/><br/><label>LC Class. No.: </label>TE153  / .N3582 1981 
<br/><br/><label>Dewey Class. No.: </label>625.74  / TRB