Doniface, David R <br/><br/>
Experiment design and statistical methods: For behavioural and social research 

 - London  Chapman & Hall  1995 
 - viii,264 p. 
<br/><br/><label>ISBN: </label> PON15.99 
<br/><br/><label>Dewey Class. No.: </label>519.5 B642E