Ennis, Robert H. <br/><br/>
Logic in teaching 

 - New jersey  Prentice Hall  1969 
 - xiv,520p. 
<br/><br/><label>ISBN: </label>  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education<br/>Teaching
<br/><br/><label>Dewey Class. No.: </label>371.102  / ENN