Sharma, Sanjay K., editor
Springer, 2012
eBooks
Nemerow, Nelson L.
"London: Addison-Wesley, 1978",
Buku Teks
Royston, Michael G., author
Pergamon Press, 1979
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Freeman, Harry M., author
McGraw-Hill, 1995
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Freeman, Harry M., author
McGraw-Hill, [1995;1995, 1995]
Buku Referensi