edited by Patrick Daly and Tim Winter
Routledge, 2012
Buku Teks SO
Middleton, Victor T.C.
Butterworth-Heinemann, 2000
Buku Teks
Boniface, Brian G
Routledge, 2016
Buku Teks
Routledge, 2023
eBooks
Sianturi, Joel Andreas Martua
Fakultas Teknik Universitas Indonesia, 2021
UI - Skripsi Membership