Roberts, S.C., author
Longmans, Green, 1965
Buku Teks
Dewar, Megan, author
[Springer, ], 2012
eBooks
Auliana Salma, author
Fakultas Teknik Universitas Indonesia, 2019
UI - Skripsi (Membership)
Hardy, Thomas, 1840-1928, author
Macmillan, 1985
Buku Teks
Sontheimer, Kurt
Fishcher Bucherei 1965
Buku Teks