Luftman, Jerry N., author
Pearson Education, 2004
Buku Teks
E. Wainright Martin ... [and others]
Pearson, 2002
Buku Teks
Schweitzer, James A., author
Butterworth, 1982
Buku Teks
Roche, Edward M., author
Macmillan, 1992
Buku Teks
Passerini, Katia, author
[Springer, ], 2012
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