Singer, H. W.  1910- <br/><br/>
Rich and poor countries / 
by Hans W. Singer and Javed A. Ansari 
 - London :  George Allen,  1977 
 - 228 p. ;  23 cm. 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>0043302720 0801819334 (pbk) 
<br/><br/><label>LCCN: </label>76-049137 //r854 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economic history--1971<br/>International economic relations
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Developing countries--Economic conditions