Census of India, 1991 <br/><br/>
Economic tables. Bihar. V. 5, Pt. IIIB-B series, Table B-15(I) (f), B-15(II) (f), B-16(f) 
Census of India, 1991 
 - Bihar  Govt. Press           1991 
 - vii, 895p  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>Y:5.273sN91, N7.5