00582nam a2200169Ia 4500008003900000020001500039035001700054082001700071100002200088245013000110260005100240300001800291650002700309650003800336700001900374700001900393770711s1999    nyu   a     a       eng  a0521628628  a(Sirsi) 137004a428 bR42n1210aRichards, Jack C.10aNew Interchange english for international communication :b2 student's book /cJack C. Richards, Jonathan Hull, Susan Proctor  aNew York :bCambridge University Press,c1999.  a145 p. :bil. 4aInglés xEnseñanza 4aInglés xProblemas, ejercicios.1 aHull, Jonathan1 aProctor, Susan