Armstrong, James W.
Elements of mathematics
Macmillan, 1970
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Novak, David
Developmental mathematics
D.C. Health , 1989
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Hirst, D.M.
Mathematics for chemists
Macmillan, 1976
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Campbell, Hugh G.
Finite mathematics
Macmillan, 1974
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Drooyan, Irving
Intermediate mathematics
Wadsworth, 1971
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