000
00250nam a2200109Ia 4500
008
200129s9999 xx 000 0 und d
082
_a
372 WAL-1
100
_a
WALKER, D.
245
0
_a
10 BEST TEACHING PRACTICES
260
_b
SAGE
_c
2011
942
_c
REF
999
_c
3223
_d
3223