000
00304nam a2200121Ia 4500
008
250224s9999 xx 000 0 und d
020
_a
9780138603960
082
_a
371.102BOR
100
_a
Louise Bornham
245
0
_a
Observation skills for effective teaching
260
_b
Merril
_c
1999
942
_c
BK
999
_c
457740
_d
457740