Haffis, Shaik et al. <br/><br/>
Costs and return analysis of different crops under different agro-climatic zones in Andhra Pradesh: a comparative study 

 -  1998 
 - p.77-84 
 - May 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crops - India - Andhra Pradesh<br/>Agricultural products - India - Andhra Pradesh<br/>Agricultural products