RYBURN ,W. <br/><br/>
The Principles of traching/ 
W.RYBURN 
 - 3ed. 
 - London  Oxford University Press  1961 
 - 244p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>TEACHING
<br/><br/><label>Dewey Class. No.: </label>371.3 RYP