Webster, Megan Crosstalk : Communication tasks and games for students of English at the pre-intermediate level / Megan Webster & Libby Castañón - 1a ed. - Oxford : Oxford University Press, r1981 - s/p. : il. ; 22 cm. Incluye índice ISBN: 0194322173 Subjects--Topical Terms: Método de enseñanza--Libro de texto LC Class. No.: PE1079 / W43 1981