00449nam a2200169 4500 u3216 SIRSI 20250825174914.0 220105n 000 0 eng u 9780521449946 418.007 U72c 1996 Ur, Penny A course in language teaching: practice and theory United Kingdom: Cambridge University Press, 1996 xiii, 375 pages Idiomas 1856 1856 2026-03-12 00:00:00 001458 418.007 U72c 1996 001458 1 2025-08-25 BOOK 0 0 0 COL_GRAL 0 BCENTRAL BCENTRAL 2022-01-05