Application of the Communal ratio rules to the different kinds of Piece-Workers employed under the Govt. of Bengal.  
 3R-38/40 

 -  1940 
 - 7 p.  H-35 cm; W-22 cm. 
<br/><br/>  সচিবালয় রেকর্ডরুম সংগ্রহ (প্রথম পর্যায়) <br/><br/> 
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