Ur, Penny.

    Discussions that work : task-centred fluency practice / Penny Ur. 12 th print.

    Cambridge [etc.] : Cambridge University Press, 1991. VI, 122 s. : il. ; 23 cm.
    (Cambridge Handbooks for Language Teachers)
    (Cambridge Handbooks for Language Teachers)
    ISBN 0-521-28169-5

   
A.1508