Contributions to economic knowledge research   47th Annual report 

 - New  York The Author      
 -  00417178: 1967 (47th) (various pagination) .
<br/><br/><label>Standard No.: </label>190560 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Dewey Class. No.: </label>"X.1, dN20, K7"