Heath, R. B. <br/><br/>
Impact assignments in english / 
R. B. Heath. 
 - London :  longmans, Green and co Ltd.,  c 1969. 
 - vii, 223 p. :  ill. ;  21 cm. 
<br/><br/>340  340 
<br/><br/><label>ISBN: </label>582 21657 5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Study and teaching. 
<br/><br/><label>Dewey Class. No.: </label>420.7 / H352i