Friedman, Daniel <br/><br/>
Experimental methods; a primer for economists  / 

 - Cambridge:  Cambridge University Press,  1994 
 - xiii, 229p. Index. Glossary 
<br/><br/><label>ISBN: </label>0521456827 
<br/><br/><label>Dewey Class. No.: </label>330.018  / F911.EM