Govt of West Bengal, . <br/><br/>
Techno economic survey of West Bengal /  
NULL. 
 - /   . 
 - NULL :   Unknown ,   1974. 
 - NULL :   maps(folds),tables ;   NULL .  
<br/><br/>NULL 
<br/><br/><label>ISBN: </label> RS0.00 (Hb)