Permission to Dr. D.G. Desa, Head of the Department of Mechanical Engineering University to participant in the Evaluation of the performance 
 File No. 3U-19/67 

 -  1967 
 - 14 p.  H-35 cm; W-22 cm 
<br/><br/> সচিবালয রেকর্ডরুম সংগ্রহ ( দ্বিতীয পর্যায় ) 
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