Stoller, David S., author
University of California Press , 1964
Buku Teks
Ravindran, A., author
John Wiley & Sons, 1987
Buku Teks
Thierauf, Robert J., author
John Wiley & Sons, 1981
Buku Teks
Wagner, Harvey M., author
Prentice-Hall, 1972
Buku Teks
Hiller, Fredick S.
McGraw-Hill Higher Education, 2001
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