Rao, C.A. Rama <br/><br/>
Economics of crop production in different agro-climatic zones of Andhra Pradesh 

 -  2007 
 - p.577-83. 
 - Jan 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crops - India - Andhra Pradesh<br/>Agricultural production - India - Andhra Pradesh<br/>Agricultural production