LET primer and reviewer on principles of teaching / 
Agno, Lydia N. 
 - Quezon City :  C & E Publishing, Inc.,  2010. 
 - vii, 80 p.; 25.4cm. 
<br/><br/>includes answer key, references 
<br/><br/><label>ISBN: </label>9789710172160 
<br/><br/><label>Dewey Class. No.: </label>Fil 371.26 Ag274 2010