Ray, Michael
Tian Xia Wen Hua, 1991
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Dana Santoso Saroso
Faculty of Engineering, Universitas Indonesia, 2012
Artikel Jurnal
Fernandez, Ricardo R.
Pustaka Binaman Presindo, 1996
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Peters, Thomas J.
Harper & Row, Publishers, 1986
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booqs, 2012
Buku Referensi