edited by Patrick Daly and Tim Winter
Routledge, 2012
Buku Teks
Middleton, Victor T.C.
Butterworth-Heinemann, 2000
Buku Teks
Sianturi, Joel Andreas Martua
Fakultas Teknik Universitas Indonesia, 2021
UI - Skripsi (Membership)
Boniface, Brian G
Routledge, 2016
Buku Teks
edited by Marios Sotiriadis, Dogan Gursoy
Emerald, 2016
eBooks