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Buku Teks SO
Jiles, David C.
CRC Press, 2008
Buku Teks SO
Muhammad Agung Santoso
Fakultas Teknik Universitas Indonesia, 2013
UI - Tesis Membership
Davis, Harmer E.
McGraw-Hill , 1964
Buku Teks SO
Fakultas Teknik Universitas Indonesia, 1993
UI - Skripsi Membership