TY  - BOOK
AU  - HALL, Valerie [et all]
AU  - Valerie  Hall
AU  - Hugh  Mackay and
AU  - Colin  Morgan
TI  - Head  Teachers at  Work
SN  - 0335152430
U1  - 373.12 
PY  - 1986///
CY  - Milton Keynes
PB  - Open University Press
KW  - School management and organization
KW  - High school principals
ER  -