TY  - GEN
AU  - Sergiovanni, Thomas J.
AU  - Starratt, Robert J.
TI  - Supervision: a redefinition
SN  - 0072406631
U1  - 371.2030973 
PY  - 2002///
CY  - Boston
PB  - McGraw - Hill
KW  - SCHOOL SUPERVISION
ER  -