Population of less developed countries / 

 - Paris :  OECD ;  1967 
 - 22p.:  ill.;  25 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Developing countries<br/>Demography<br/>Population<br/>Statistics
<br/><br/><label>Dewey Class. No.: </label>312.31  / OECD