O'Connell,Sue <br/><br/>
Focus on Proficiency :  Revied and Enlarged ed. with Exam Practice Material / 
Sue O'Connell 
 - London :  Collins E.L.T,  1989 
 - 224 p.+ ind.64p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tiếng Anh--Bài tập luyện thi<br/>English language.<br/>English language--Examinations
<br/><br/><label>Dewey Class. No.: </label>428  / OCO 1989