000
00291nam a2200121Ia 4500
008
220119s9999||||xx |||||||||||||| ||und||
040
_c
IAB
082
_a
370.78 STU.
100
_a
-
245
0
_a
Studies In Educational Evaluation:Vol 15.
260
_b
Pergamon Press.
_c
1989
942
_c
BOOK
999
_c
35848
_d
35848