Ian Masser, Michael Blakemore,edited
Longman Scientific & Technical, 1994
Buku Referensi
Nur Awaludin
Andi Yogyakarta, 2010
Buku Teks SO
R. Wahyu Purnawan Abyoto
Fakultas Teknik Universitas Indonesia, 1994
UI - Tesis Membership
edited by Stephen Goddard
Barnes & Noble Books , 1983
Buku Referensi
Chang, Kang-Tsung, 1943-
McGraw-Hill, 2012
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