Case, Karl E.
Principles of economics
Pearson, Prentice Hall, 2009
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Barltrop, J. A.
Principles of photochemistry
John Wiley & Sons, 1978
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Principles of biochemistry
by Abraham White [and others]
McGraw-Hill Kogakusha, 1978
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Gardner, Eldon J.
Principles of genetics
John Wiley & Sons, 1984
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Uno, Gordon
Principles of botany
McGraw-Hill, 2001
 Buku Teks