Extension of the tenure of appointment of Dr. S.C. Sen Assistant Prof. of Prato zoology, School of tropical Medicine, Calcutta.  
 2S-41/38 

 -  1938 
 - 20 p.  H-35 cm; W-22 cm. 
<br/><br/>  সচিবালয় রেকর্ডরুম সংগ্রহ (প্রথম পর্যায়) <br/><br/> 
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