Practical bibliography for devloping areas . 

 - Washington  Agency for international devlopment      1960 
 - 202  cm. 
<br/><br/><label>Standard No.: </label>154954 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Dewey Class. No.: </label>"X .1a.7361.N60, K0 .1"