Garretts, Henry E <br/><br/>
Statistics in psychology and education / 
by Henry E Garretts 
 -  VFS,  1967. 
 - 691p. : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social science
<br/><br/><label>Dewey Class. No.: </label>300  / GAR.S