RAVID, Ruth <br/><br/>
Practical Statistics for Educators 

 - 4th 
 - Lanham  Rowman & Littlefield  2011 
 - xvi,256p. 
<br/><br/><label>ISBN: </label>9781442206557 
<br/><br/><label>Dewey Class. No.: </label>370.21  / RAV-P