000 00240nam a2200121Ia 4500
100 _a-
942 _cBK
245 _aPerspectives in education vol. 6 1990
260 _a-
_b-
_c-
082 _a370.5
_bPE
300 _a-
546 _aEnglish
999 _c337908
_d337908
041 _aeng