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John Wiley & Sons, 1979
Buku Teks
Portis, Alan M., author
John Wiley & Sons, 1978
Buku Teks
Silvester, P.
Prentice-Hall, 1968
Buku Teks
Mithal, G.K., author
Khanna, 1977
Buku Teks
Moses Eterigho Emetere, author
Faculty of Engineering, Universitas Indonesia, 2017
Artikel Jurnal