Goheen Howard W <br/><br/>
Test construction mental test theory and statistics 1929+1949 

 - Washington, USA  U.S. Government Printing Office   1950 
 - xii,209p. 
<br/><br/><label>Source: </label>Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bibliography