Inservice education of high school mathematics teachers: Report of a conference under the joint auspices of the U.S. department of health, education, and welfare and the national council of teachers of mathematics Washington, March 17-19, 1960 

 - Washington, USA  U.S. Government Printing Office   1961 
 - vi,108p. 
<br/><br/><label>Source: </label>Textual