TY  - BOOK
AU  - Andrews,Richard L.
TI  - Instructional leadership: how principals make a difference 
SN  - 087120164X :
AV  - LB2831.9 .S64 1989
U1  - 371.2/012 SMI 20
PY  - 1989///
CY  - Alexandria, Va.
PB  - Association for Supervision and Curriculum Development
KW  - School principals
KW  - Leadership
N1  - Includes bibliographical references (p. 129-134)
ER  -