TY  - BOOK
AU  - Beach,Don M.
AU  - Reinhartz,Judy
TI  - Supervision : Focus on instruction
SN  - 0060405589
AV  - LB2806.4 B43
PY  - 1989///
CY  - New York
PB  - Harper & Row, Publishers
KW  - School supervision
KW  - United States
ER  -