Coniliffe J B <br/><br/>
Technological progress and eocnomic development   T    
Coniliffe J B 
 - Delhi  Ranjit Printers           1951 
 - 61p  cm. 
 - University of Delhi, Delhi School of Economics, Occassional Papers.2 .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>X, J1