Niven, I. (1965). Mathematics of choice: Or how to count without counting. Mathematical Association of America.
Dyfyniad Arddull ChicagoNiven, Ivan. Mathematics of Choice: Or How to Count Without Counting. Washington, D.C.: Mathematical Association of America, 1965.
Dyfyniad MLANiven, Ivan. Mathematics of Choice: Or How to Count Without Counting. Mathematical Association of America, 1965.
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