Ullman, Jeffrey D., 1942-
A first course in database systems
Prentice-Hall, 1997
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Berenson, Mark L.
Applied statistics a first course
Prentice-Hall, 1988
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Sanders, Donald H.
Statistics : a first course
McGraw-Hill , 2000
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Hagin, Frank G.
A first course in differential equations
Prentica-Hall, 1975
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Hsiung, Chuan-Chih
A first course in differential geometry
John Wiley & Sons, 1981
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