Boon, Gerard Karel <br/><br/>
Economic choice of human and physical factors in production 
by Gerard Karel Boon 
 - Amsterdam  North-Holland  1964 
 - 332p. 
<br/><br/> Rs.57.75 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Developing countries<br/>Economic development<br/>Labor productivity
<br/><br/><label>Dewey Class. No.: </label>T1 B644