Encyclopedia of knowledge : volume 5
Grolier Incorporated, 1991
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The Encyclopedia Americana : volume 5
Grolier, 1994
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Ensiklopedi Indonesia : 5
Ichtiar Baru-Van Hoeve, 1984
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The Encyclopedia Americana : volume 5
Americana Corporation, 1977
 Buku Referensi
The Encyclopedia Americana : volume 5
Americana Corporation, 1964
 Buku Referensi