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Buku Teks
Lancellotta, Renato
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Buku Teks
Gulhati, Shashi K., author
Tata McGraw-Hill, 2005
Buku Teks
Das, Braja M., author
CT Cengage Learning, 2014
Buku Teks
Holtz, Robert D., author
Prentice-Hall, 1981
Buku Teks