Brown Kenneth E <br/><br/>
Curriculum materials in high-school mathematics 
U S Department of Health, Education and Welfare 
 - Washington, USA  U.S. Government Printing Office   1954 
 - vi,40p 
<br/><br/><br/>Bulletin 1954, No. 9 
<br/><br/><label>Source: </label>Books to be hide in OPAC