Cassidy, Harold G.
Freeman, Cooper & Company , 1970
Buku Teks
Beiser, Arthur, author
Addison-Wesley, 1964
Buku Teks
Rekka, E. A., author
CRC Press, Taylor & Francis Group, 2008
Buku Teks
Andreas Hofmann, Anne Simon,Tanja Grkovic, Malcolm Jones,
Cambridge University Press, 2014
Buku Teks
Reichenbacher, Manfred, author
Springer, 2012
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