Gupta, Om Prakash, <br/><br/>
Modern weed science in the tropics and sub-tropics / 
by O.P. Gupta and P.S. Lamba. 
 - 1st ed. 
 - New Delhi :  Today and Tomorrow's Printers & Publishers,  1978. 
 - viii, 421 p. :  ill. ; 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Weeds<br/>Weeds.<br/>Weeds--Tropics.<br/>Weeds--Tropics.
<br/><br/><label>Dewey Class. No.: </label>632.58 GUP/M