Butt, M. H. Masud. <br/><br/>
Everyday science for central supperor services of Pakistan and all other competitive examination / 
M. H. Masud Butt. 
 - 1st ed. 
 - Karachi :   International Standards,   1969. 
 - 623 p. ;  21 cm. 
<br/><br/>29  29 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Dictionary of science
<br/><br/><label>Dewey Class. No.: </label>503 / B975e