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Principles of genetics
Wm.C. Brown , 1991
Buku Teks
Dossat, Roy J.
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Weygandt, Jerry J.
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Mankiw, N. Gregory
Principles of makroeconomics
The Dryden Press, 1998
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Taylor, John B., 1946-
Principles of macroeconomics
Houghton Mifflin , 2001
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