Riski Wicaksono, author
Bank Indonesia Insitute, 2019
Artikel Jurnal
Huebner, S. S., author
Appleton-Century Crafts, 1958
Buku Teks
Black, Kenneth, author
Prentice-Hall, 1994
Buku Teks
Williem Susanto, author
Fakultas Teknik Universitas Indonesia, 2015
UI - Skripsi (Membership)
Huebner, S. S., author
Appleton Century Crofts, 1972
Buku Teks