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Wiley Eastern, 1979
Buku Teks
Duggal, S.K., author
Tata McGraw-Hill, 2000
Buku Teks
Segui, william T
Thomson, 2007
Buku Teks
Johnson, William A., author
Harvard University Press, 1966
Buku Teks
Disque, Robert O., author
Van Nostrand Reinhold, 1971
Buku Teks