The communicative teaching of english :  Principles and an exercise typology / 
Working group on english in comprehensive schools in the German Federal Republic; Edited and translated for the english edition by : Ch. N. Candlin. 
 - s.l. :  Longman,  1981. 
 - 229 p. :  ill. 
<br/><br/><label>ISBN: </label>0582550645 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English teaching