Harmer, Jeremy. The practice of English language teaching / Jeremy Harmer. - 4th ed. - New York : Longman, 1991 - 352 p. : ill. ; 24 cm. - Longman handbooks for language teachers. . Includes index. Subjects--Topical Terms: English language--Study and teaching--Foreign speakers. Dewey Class. No.: 428.007 / HAP