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001 009469
003 AR-FADEU
008 311216n1986####xxu####################dd
020 _a0-521-27385-4
092 _a428.32
_bH846t
100 _aHover, David
245 _aThink twice : communication activities for beginner to intermediate students
260 _aLondon
260 _bCambridge University
260 _c1986
300 _a96 p. : il
650 _a/LINGUISTICA/INGLES-USO; EXPRESION ORAL; CONVERSACION/REVISADO/
546 _aInglés
942 _cBDGR
999 _c15266
_d15266