Alasdair Roberts
Graduate School of Public Administration (GSPA), Seoul National Universty, 2018
Artikel Jurnal
Barrilleaux, Charles
Cambridge University Press, 2017
Buku Teks
Sage Publications, 1996
Buku Teks
Hill, Michael
SAGE, 2014
Buku Teks
by Peter Knoepfel ... [and others]
Policy Press, 2007
Buku Teks