Asian-Pacific Center , 1998
Buku Teks
Akhmad Hidayatno, author
Faculty of Engineering, Universitas Indonesia, 2015
Artikel Jurnal
W. van Hoeve, 1958
Buku Teks
Palen, J. John, author
McGraw-Hill, 1987
Buku Teks
Hallenbeck, Wilbur C., author
Harper & Brothers , 1951
Buku Teks