1
Julkaistu 1999
Aiheet: ...Educational leadership United States Periodicals....
Available in Education Source.
Elektroninen Kausijulkaisu
2
Aiheet: ...Educational leadership United States Periodicals....
Available in Education Source.
Elektroninen Aikakauslehti
3
Tekijä Dickeson, Robert C.,
Julkaistu 2012
Aiheet: ...Educational leadership United States....
Digitalia Hispánica
E-kirja
4
Aiheet: ...Educational leadership United States Periodicals....
Full text available from Education Database: 04/01/2004 to present
Full text available from Research Library: 04/01/2004 to present
Elektroninen Aikakauslehti