TY  - BOOK
AU  - Glatthorn,Allan A.
TI  - Differentiated supervision
SN  - 0871201240
AV  - LB 2806.4 .G548 1984
U1  - GLT 371.2030973 
PY  - 1984///
CY  - Alexandria, Va.
PB  - Association for Supervision and Curriculum Development
KW  - School supervision
KW  - United States
KW  - Teachers
KW  - In-service training
N1  - Bibliography: p. 97-100
ER  -