Product liability in comparative perspective / edited by Duncan Fairgrieve
Cambridge University Press, 2005
 Buku Teks
Heady, Ferrel
Public administration: a comparative perspective/ Ferrel Heady
Prentice-Hall, 1966
 Buku Teks
Heady, Ferrel
Public administration : a comparative perspective / Ferrel Heady
Marcel Dekker, 1991
 Buku Teks
Street, H.
Govermental liability a comparative study
Cambridge University Press, 1953
 Buku Teks
Comparative politics in regional perspective
Thomson Wadsworth, 2003
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