000
00283nam a2200121Ia 4500
003
LDD
040
_c
LDD
041
_a
en
245
0
_a
International Journal of Educational Research
260
_a
Elsevier Science Ltd
_c
1 Jan-30 Apr,1989
362
_a
13-13
_b
01-Apr
942
_2
ddc
_c
J
999
_c
189195
_d
189195