Gethin, Hugh,  1918- <br/><br/>
Grammar in context  proficiency level English 
Hugh Gethin 
 - London  Collins ELT  c1983 
 - 224 p.  23cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Textbooks for foreign speakers
<br/><br/><label>Dewey Class. No.: </label>428.2  / 4