Case studies in ELT 
/ ed. by R. R. Jordan 
. - London  : Collins ELT, 1983
. - 256 p.  ; 22 cm. 
<br/><br/><label>ISBN: </label>0003700224 
<br/><br/><label>Source: </label> Don britannique 
<br/><br/><label>Universal Decimal Class. No.: </label>802.0