Stratford-Collins, M.J., author
Ellis Horwood, 1982
Buku Teks
Fakultas Teknik Universitas Indonesia, 1990
UI - Skripsi (Membership)
Patrick, John J., author
Prentice Hall PTR, 1999
Buku Teks
Plum, Thomas, author
Prentice-Hall, 1984
Buku Referensi
Langtangen, Hans Petter , author
[, Springer-Verlag Berlin Heidelberg], 2012
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