00358nam a2200121Ia 450000500170000000800410001702000220005808200160008010000190009624500690011526000440018430000080022820260624112027.0260624s9999    xx            000 0 und d  a978-1-68253-100-6  a371.26bCOL  aColby, Rose L. 0aCompetecy-Based Education : A New Architecture for K-12 Scholing  bHavard Education PressaCambridgec2021  a220