What makes a difference ?
Subtitle: school context, principal leadership, and student achievement
By: by Philip Hallinger, Leonard Bickman and Ken Davis
Series: Occasional paper / The National Center for Educational Leadership -- no. 3; Occasional paper (National Center for Educational Leadership) -- no. 17
Publisher: Harvard Graduate School of Education, National Center for Educational Leadership
Published: 1990
Place of publication: Cambridge, MA
Language: eng
Number of pages: 35
Subjects: School principals; Academic achievement; Educational leadership
Notes: Cover title.

"June 1990."

Includes bibliographical references (leaves 31-35).