Chopra, S. L. and Kanwar, J. S. <br/><br/>
Analytical agricultural chemistry 

 - Ludhiana  ; Kalyani Publishers  , 1982 
 - 518p. 
<br/><br/><label>ISBN: </label> 36 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics
<br/><br/><label>Dewey Class. No.: </label>338.1  / CHO