Tellefsen, Thomas E., author
Jossey-Bass, 1990
Buku Teks
Organisation for Economic Co-operation and Development, 1977
Buku Teks
Open University Press, 2003
Buku Teks
Fullan, Michael, author
Jossey-Bass, 2009
Buku Teks
Wheeler, Daniel W., author
Jossey-Bass, 2012
Buku Teks