Glass, Gene V. <br/><br/>
Statistical methods in education and psychology 
/ Gene V. Glass, ... Julian C. Stanley, ... 
. - Englewood Cliffs  : Prentice-Hall, c1970
. - XII-596 p.  : ill., couv. ill.  ; 24 cm. 
<br/><br/>Bibliogr., index 
<br/><br/><label>ISBN: </label>138449287 
<br/><br/><label>Source: </label> Don canadien 
<br/><br/><label>Universal Decimal Class. No.: </label>311.