Mathrubutham R. Au. <br/><br/>
Factories and labour manual 
Mathrubutham R. Au.; Srinivasam R. Au. 
 - 5th 
 - Agra  Wadhwa and company India       1979 
 - 1224p  cm. 
<br/><br/><label>Standard No.: </label>6,848 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>X:9:Z2qg, L9.1