Betal, M. <br/><br/>
Concepts and definitions of agricultural agricultural statistics in West Bengal / 
M. Betal 
 - Calcutta :  Directorate of Agriculture ,  1974 
 - ix, 38 p. ;  19 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture--Economic aspects--Statistical methods
<br/><br/><label>Dewey Class. No.: </label>630.83