TY  - BOOK
AU  - Day, Christopher
AU  - Leithwood, Kenneth
TI  - Successful Principal Leadership In Times Of Change [electronic resource]
SN  - 1402055161
U1  - 378.107 
PY  - 2007///
CY  - Dordrecht
PB  - Springer
N1  - http://dx.doi.org/10.1007/1-4020-5516-1
ER  -