00427nam a2200121ua 4500001000700000008004100007082001400048100002200062245009800084260005300182300001700235650005300252001000181020s2002    ck a   gr     000   spa d04a407bR5141 aRichards, Jack C.10aInterchange, English for international communication 2 : Student´s Book / cJack C. Richards  aCambridge : bCambridge University Press, c1991  aV. 2, 134 p.14aEducación, Investigación, temas relacionados