Observation and the evaluation of teaching / 
edited Willard R. Duckett. 
 - [S.l.:   Phi Delta Kappa,   19--].  
 - 129 p. ;  19 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Teacher evaluation
<br/><br/><label>Dewey Class. No.: </label>371.144