Mitchell, Robert L.
Engineering economics
John Wiley & Sons, 1980
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Riggs, James L.
Engineering economics
McGraw-Hill, 1996
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Riggs, James L.
Engineering economics
McGraw-Hill, 1982
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Hall, Donald E.
Basic acoustics/ Donald E. Hall
John Wiley & Sons, 1987
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Badger, Walter Lucius, 1886-1958
Introduction to chemical engineering
McGraw-Hill, 1995
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