TY  - BOOK
AU  - Glickman,Carl D.
AU  - Gordon,Stephen P.
AU  - Ross-Gordon,Jovita M.
TI  - SuperVision and instructional leadership: a developmental approach 
SN  - 9780205625031 (hbk)
PY  - 2010///
CY  - Boston
PB  - Allyn & Bacon
KW  - School supervision
N1  - Includes bibliographical references and indexes
ER  -