Stanley, Joyce, 1901-, author
Warren, Gorham and Lamont, 1971
Buku Teks
Hopkins, Bruce R., 1932-, author
John Wiley & Sons, c.1983
Buku Teks
Hopkins, Bruce R., 1932-, author
John Wiley & Sons, 1995
Buku Teks
Hopkins, Bruce R., 1932-, author
John Wiley & Sons, 1982
Buku Teks
Livingston, Michael, author
Cambridge University Press, 2020
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