Second Annual conference of the Pakistan, Association to the Advancement of Science's invitation.  
 File No.      2C    -   11    / 50 

 -  1950 
 - 12 p;   H-35 cm; W-22 cm 
<br/><br/> সচিবালয় রেকর্ডরুম সংগ্রহ (প্রথম পর্যায়) <br/><br/> 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Annual conference