Population growth and policies in mega cities 
United Nation 
 - New York  United Nations  1989 
 - vii, 46 p. :  ill, ;  24 cm. 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>D
<br/><br/><label>Dewey Class. No.: </label>330.959822  / POP