00439nam a2200097Ia 4500008004100000050002100041100002100062245008700083247010500170264006600275230508s1999 xx 000 0 und d aLC 1047 G78 19991 aGrubb, W. Norton14aThe Roles of evaluation for vocational education and training /cGrubb, W. Norton. aThe Roles of evaluation for vocational education and training_LC 1047 G78 1999_Grubb, W. Norton_1999 a[Place of publication not identified] : bKogan Page, c1999.