Conventions and recommendations 

 -  1949 
<br/><br/><label>Standard No.: </label>131,513 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ECONOMICS
<br/><br/><label>Dewey Class. No.: </label>X:9p1:N49-N19, H9