Solomon, R.C.
Advanced level mathematics
DP Publications, 1992
Buku Teks
Copeland, Richard W.
How children learn mathematics : teaching implications of piaget's research
Macmillan, 1970
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Armstrong, James W.
Elements of mathematics
Macmillan, 1976
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Campbell, Hugh G.
Finite mathematics
Macmillan, 1974
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Rothenberg, Ronald I.
Finite mathematics
John Wiley & Sons, 1980
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