Katyal J C <br/><br/>
Micronutrients 

 -  Rome : Fao 1983. 
 - 82 
 - Fao Better Farming Series No. 13 Fao Economic And Social Development Series No. 3/13 .
<br/><br/><br/>Eng 
<br/><br/><label>ISBN: </label>9251014450 (Pbk)