Mukhopadhyay Sudhin K <br/><br/>
Sources of variation in agricultural productivity 
Mukhopadhyay Sudhin K 
 - Delhi  Macmillan India           1976 
 - xii, 121p. Bib p 109-16 ; Appendix p 69-107  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture Industry
<br/><br/><label>Dewey Class. No.: </label>X9(J):2.2.N7, L6