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

 -  Today & Tomorrows Printers & Publishers, New Delhi  1978 
 - 421 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant injuries, diseases, pests
<br/><br/><label>Dewey Class. No.: </label>PG 632  GUP-M