De Gregori, Thomas R. <br/><br/>
Technology and the economic development of the tropical African frontier 
Thomas R. De Gregori. 
 - Cleveland  The Press of Case Western Reserve University  1969 
 - viii, 531p.; 23 cm. 
<br/><br/> Bibliography p. 399-485. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economic Development Technology - Africa. 
<br/><br/><label>Dewey Class. No.: </label>338.96  / D32T