Mukhopadhyay, A. <br/><br/>
Crops, costs and variations :  an investigation based on farm management studies / 
A. Mukhopadhyay. 
 - New Delhi, India :  Mittal,  c1990. 
 - xxxii, 415 p. : ill. ; 21 cm. 
<br/><br/> Bibliography : p. 403 - 407. 
<br/><br/><label>ISBN: </label>8170992478 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crops.