Kavanagh, Barry F., author
Prentice-Hall, 1997
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Abdul Aziz, author
Fakultas Teknik Universitas Indonesia, 2021
UI - Skripsi (Membership)
Paul Watson, David Gibson, Hanney Neil, Peter Rushforth, Stuart Smith, Catherine Walsh, Garry Workman
Blackwell Publishing, 2008
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Dugdale, R.H., author
Erlangga, 1986
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Brinker, Russell C.
International Textbook, 1965
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