Kutz, R. E. (1991). Teaching elementary mathematics: An active approach. Allyn and Bacon.
Dyfyniad Arddull ChicagoKutz, Ronald E. Teaching Elementary Mathematics: An Active Approach. Boston: Allyn and Bacon, 1991.
Dyfyniad MLAKutz, Ronald E. Teaching Elementary Mathematics: An Active Approach. Allyn and Bacon, 1991.
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