MATHEMATICS & VIGILANTE, N. J. [. (1969). Mathematics in elementary education. The Macmillan co.
Chicago-čujuhus (17. p.)MATHEMATICS juo Nicholas J [ed] VIGILANTE. Mathematics in Elementary Education. London: The Macmillan co, 1969.
MLA-čujuhus (9. p.)MATHEMATICS juo Nicholas J [ed] VIGILANTE. Mathematics in Elementary Education. The Macmillan co, 1969.
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