Narayana, B. <br/><br/>
Shift in the growth of productivity of agricultural crops in Andhra Pradesh: an empirical research 

 -  2007 
 - p.1-5. 
 - Jul-Dec 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crops - India - Andhra Pradesh<br/>Agricultural production - India - Andhra Pradesh<br/>Agricultural production