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Buku Teks
Sule, D.R.
PWS-Kent Publishing, 1988
Buku Teks SO
Moore, James M.
McMillan, 1962
Buku Teks
Dwi Haryati Suyono
Fakultas Teknik Universitas Indonesia, 2012
UI - Skripsi Open
Meyers, Fred E.
Pearson/Prentice Hall, 2005
Buku Teks