00541pamaa2200169 4500 0000018696 20060711090000.0 0521281695 428.24 UR PE1128.A2 UR 1981 UR Discussions that work : task-centred fluency practice Penny Ur. Cambridge: C.U.P., 1981. 122p.: 23cm. Cambridge handbooks for language teachers English language -- Spoken English English language -- Study and teaching -- Foreign speakers