Billings Mildred Lincoln <br/><br/>
Group methods of studying occupations 

 -  1941 
<br/><br/><label>Standard No.: </label>149,224 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>EDUCATION
<br/><br/><label>Dewey Class. No.: </label>T:855, H11