Some Common Weeds of the Tea Estates in North-East India:   Memorandum No.29 
Tea Research Association 
 - Jorhat  Tocklai Experimental Station  1983 
 - iv, 315p 
<br/><br/> Ananda Chandra Dutta (Additional Author) 
<br/><br/><label>Dewey Class. No.: </label>633.72