National sample survey. noi.983. 1956   Sample survey of manufacturing industries, 1956. Ffctory Establishments  Summary results   

 - Delhi  Manage of Publication          1964 
 - 62p.  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>Esn2, N58, K4.93