Padang Wicaksono, author
Lembaga Demografi, 2016
UI - Laporan Penelitian
Sinclair, Ian R., author
Newnes Butterworth-Heinemann, 1994
Buku Teks
Muchamad Iqbal Bimo Arifianto, author
Fakultas Teknik Universitas Indonesia, 2011
UI - Skripsi (Open)
Bishop, O.N. (Owen Neville), author
Bernard Babani, 1994
Buku Teks
Bohlman, K. J.
Dickson Price Publishers, 1987
Buku Teks