000 00232 a2200097 4500
001 57204
100 _a
245 _aThe Calculas
260 _aNew York
_bResearch of Education And Association
_c1988
090 _c35129
_d35129
942 _aNUST-CAE
_cMONOGRAPH
_c27924
999 _c292277
_d292277