TY  - BOOK
AU  - Knoll,Marcia Kalb
TI  - Supervision for better instruction: practical techniques for improving staff performance 
SN  - 0138764263
AV  - LB 2805 .K556 1987
PY  - 1987///
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - School supervision
KW  - Teachers
KW  - Rating of
KW  - School personnel management
N1  - Includes index
ER  -