Department of Roads,  Ministry of Works and Human Settlement. <br/><br/>
Field hand book for construction of gravel roads in Bhutan / 

 - Thimphu, Bhutan :  Department of Roads,  Ministry of Works and Human Settlement,  March 2004. 
 - 114 p. :  ill. (some drawings designs) ;  20 cm. 
<br/><br/><label>ISBN: </label>NA 
<br/><br/><label>LC Class. No.: </label>GD00359 
<br/><br/><label>Dewey Class. No.: </label>A3.10  / DoR 
<br/><br/><label>Gov. Doc. Class. No.: </label>A3.10