Vinnikov, I.
Peace Publishers, [Date of publication not identified]
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Bayu Suseno
2018
UI - Tesis Membership
prepared by 142 specialists ; Douglas M. Considine, editor-in-chief
McGraw-Hill, 1996
Buku Referensi
Shah, Vishu
John Wiley & Sons, 1998
Buku Referensi
Meyers, Robert A.
John Wiley & Sons, 1983
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