Dutton, W. H. (1964). Evaluating pupils: Understanding of arithmetic. Prentice-Hall.
Dyfyniad Arddull ChicagoDutton, Wilbur H. Evaluating Pupils: Understanding of Arithmetic. Englewood Cliffs, N.J: Prentice-Hall, 1964.
Dyfyniad MLADutton, Wilbur H. Evaluating Pupils: Understanding of Arithmetic. Prentice-Hall, 1964.
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