Klippel, Friederike Keep talking : communicative fluency activities for language teaching / Friederike Klippel - Cambridge : Cambridge University Press, c1984. - 202 p. ; ill. ; 27 cm. ISBN: 0521278716 LCCN: Subjects--Topical Terms: English languageStudy and teaching LC Class. No.: PE1128 / .A2 1984