Gupta O P <br/><br/>
Aquatic weed management  a text book and manaual 

 - New Delhi:  Today & Tomarrow,  1987. 
 -  247p. 
<br/><br/> Includes index and bibliography 
<br/><br/><br/>eng 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Weed control
<br/><br/><label>Dewey Class. No.: </label>632.58  / GUA