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Buku Teks
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John Wiley & Sons, 1978
Buku Teks
Seli Siti Sholihat, author
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 2015
UI - Tesis (Membership)
Kurz, Ludwik
Cambridge University Press, 1997
Buku Teks
Casley, Dennis J., author
The Johns Hopkins University Press,, 1992
Buku Teks