000 00284nam a2200121Ia 4500
003 LDD
040 _cLDD
041 _aen
245 0 _aInternational Journal of Educational Research
260 _bElsevier Science Ltd
_c1 Jan-30 Jun,1987
362 _a11-Nov
_b01-Jun
942 _2ddc
_cJ
999 _c191788
_d191788