Downey, M. E.  & Kelly, A. V. <br/><br/>
Theory and practice of deucation : An introduction 

 - Harper & row, publishers, London  1975 
 - vi,216 
<br/><br/><label>ISBN: </label>06-318038-3 
<br/><br/><label>Dewey Class. No.: </label>370.1 Dow/Kel