Possibilities of the operation of amphibian Aircraft as a man of communication for the Proposed new post in the District of Khulna.  
 File No.  2A-34/50 

 -  1950 
 - 9 P.  H-35 cm; W-22 cm 
<br/><br/> সচিবালয় রেকর্ডরুম সংগ্রহ (প্রথম পর্যায়) <br/><br/> 
<br/><br/><label>Subjects--Topical Terms: </label><br/>amphibian