Research Institute Of Udayana University, 1997
Buku Referensi
de Vries, Louis, author
McGraw-Hill, 1951
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Polish Academy of Sciences, 2008
Majalah, Jurnal, Buletin
Jones, W.T. (William Thomas), 1910-, author
University of California, [Date of publication not identified]
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Research Institute of Udayana University, 1997
Buku Referensi