Principal public undertakings in bihar    Abroucher 1968/69-69/70.    

 - Bihar  Directorate of statistics and evaluation        1971 
 - 1968-69(37p)  1969-70 (29p)  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>X93.273.N70<--N68, LO