Low, Ona. <br/><br/>
Proficiency in English practice / 
Ona Low. 
 - Rev. ed. 
 - London :  Edward Arnold (Publishers),  1984. 
 - 158 p. ;  25 cm. 
<br/><br/>Accompanied by : Proficiency in English practice : key / Ona Low Rev. ed. (42p. ; 22cm.) , 1984 ISBN : 0713181524 
<br/><br/><label>ISBN: </label>0713181516 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Textbooks for foreign speakers.
<br/><br/><label>Dewey Class. No.: </label>428.2  / LOW