Perren, G. E. <br/><br/>
Teachers of English as a second language  their training and preparation 
edited, with an introduction by G. E. Perren 
 - Cambridge  University Press  1968 
 - 233 p. ; 22 cm. 
<br/><br/>p. 229-233 
<br/><br/><label>LCCN: </label>68-23184 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Study and teaching--Foreign students