Ministry of Infrastructure and Transport. <br/><br/>
Guidline for bio-engineering works / 

 - Thimphu, Bhutan :  Ministry of Infrastructure and Transport,  May 2024 
 - 51 p. :  ill. ;  29 cm. 
 -  Ver-1 .
<br/><br/> Includes some colour pages and photograph. 
<br/><br/><label>ISBN: </label>NA 
<br/><br/><label>LC Class. No.: </label>GD001035-GD001039 
<br/><br/><label>Dewey Class. No.: </label>A3.8  / MoIT