Carman, Robert A.
Basic algebra : a guided approach
John Wiley & Sons, 1982
 Buku Teks SO
Carman, Robert A.
Intermediate algebra: a guided approach
John Wiley & Sons, 1980
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Basic mathematical skills with geometry
James Streeter...[et al]
McGraw-HIll, 2001
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Henderson, James M.
Microeconomic theory : a mathematical approach
McGraw-Hill, 1980
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Mesterton-Gibbons, Michael
A Concrete approach to mathematical modelling
John Wiley & Sons, 1995
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