Donaldson, Peter,  1934- <br/><br/>
Worlds apart :  the economic gulf between nations / 
by Peter Donaldson 
 - Harmondsworth :  Penguin Books,  1973 
 - 203 p. :  ill. ;  18 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 199-200. 
<br/><br/><label>ISBN: </label>0140216529 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Developing countries<br/>Economic development<br/>Economic assistance