TY  - BOOK
AU  - Williamson,Ronald
ED  - National Association of Secondary School Principals U.S.
TI  - Scheduling the middle level school to meet early adolescent needs
SN  - 0882102796
PY  - 1993///
CY  - Reston, Va.
PB  - National Association of Secondary School Principals
KW  - Schedules , School
KW  - Local
KW  - Middle Schools
KW  - United States
N1  - Includes bibliographical references
ER  -