Biblioteca Univ. Surcolombiana Search for 'au:Ur, Penny'

A course in language teaching :

By Ur, Penny. Cambridge : Cambridge University Press, 1996 . 375 paginas. 0521449944

By Ur, Penny. Cambridge (E.U.) : Cambridge University Press, 2006 . xii, 142 p. : il. ; 26 cm. 978-0-521-65624-5 -- 0-521-65624-9

By Ur, Penny. Cambridge (E.U) : Cambridge Universy Press, 2006 . xiii, 375 p. : il. ; 26 cm. 0-521-56798-X (Handbook) -- 0-521-44994-4 (Paperback)

By Maley, Alan. Cambridge Cambridge University Press 2005 . x, 246 páginas 23 cm. 9780521601191