Arithmetical abstractions;
the movement toward conceptual maturity under differing systems of instruction,
by William A. Brownell.
| Main Creator: | |
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| Format: | Book |
| Language: | English |
| Published / Created: |
Berkeley,
University of California Press,
1967.
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| Series: | University of California publications in education;
v. 17. |
| Subjects: | |
| Notes: | "Research ... supported under contract no. 2-10-103 (project no. 1676) with the United States Office of Education, Department of Health, Education, and Welfare." Physical description: x, 221 p. illus. 24 cm. more |