Ali, Mir Najabat  <br/><br/>
Inventions that changed the world  

 - India  National Book Trust   1972 
 - 64 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Inventions 
<br/><br/><label>Dewey Class. No.: </label>608  / Al411i 1972