Gupta, O.P. <br/><br/>
Modern weed science  in the tropics and sub-tropics 

 - New Delhi  Today & Tomorrow's pub.  1978 
 - 421 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Weeds
<br/><br/><label>Dewey Class. No.: </label>632.58  / GUP