Study of the substitution of labor and equipment in civil construction :   Phase II Final report. 

 - Washington D. C. :  World Bank (WB) ,  1974 
 - 79p. :  ill. ;  28 cm.  
 - Staff Working Paper no. 172 .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Road crews--Developing countries<br/>Civil engineering--Developing countries<br/>Civil engineers--Developing countries
<br/><br/><label>Gov. Doc. Class. No.: </label>UN WB IDA WP Stu