Harahap, Gihon Andre Asmitra, author
Fakultas Teknik Universitas Indonesia, 2013
UI - Skripsi (Membership)
Gulf Professional, 2015
eBooks
Hougen, Olaf A., author
John Wiley & Sons, 1943
Buku Teks
Ludwig, Ernest E., author
Gulf Publishing, 1979
Buku Teks
Ludwig, Ernest E., author
Gulf Publishing Company, 1964
Buku Teks