TY  - BOOK
AU  - DuFour, Richard P.
TI  - The principle as staff developer
SN  - 1879639017
AV  - LB1731 .D77 1999 
PY  - 1991///
CY  - Bloomington
PB  - National Educational Service
KW  - Staff Developer
N1  - Includes bibliography
ER  -