Ristinen, Robert A., auhtor
John Wiley & Sons, 2006
Buku Teks
Pergamon Press, 1979
Buku Teks
Hinrichs, Roger A.
Thomson, Brooks/Cole, 2006
Buku Teks
edited by John Blunden and Alan Reddish
Hodder & Stoughton, 1996
Buku Teks
Uqaili, Mohammad Aslam, editor
Springer, 2012
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