Rode.A.A. <br/><br/>
System of Research Methods in Soil Science 

 - Amerind Publishing Co.Pvt.Ltd.  India  1974 
 - 79p. 
<br/><br/><label>Nat. Bib. No.: </label>3946 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Universal Decimal Class. No.: </label>631.42  / ROD