00565nam a2200169Ia 4500008003900000020001500039035001700054082001600071100002200087245012100109260005100230300001100281650002700292650003800319700001900357700001900376770711s2000    nyu   a     a       eng  a0521628784  a(Sirsi) 137004a428 bR42i710aRichards, Jack C.10aInterchange english for international communication :b1 workbook /cJack C. Richards, Hull, Jonathan, Proctor Susan  aNew York :bCambridge University Press,c2000.  a160 p. 4aInglés xEnseñanza 4aInglés xProblemas, ejercicios.1 aHull, Jonathan1 aProctor, Susan