Contributions

  • Fehr, Howard F. 1901- - Contributor

Publication

1953 - , Washington, District of Columbia

Language

English

Word Count

88,750 words, Guess

Page Count

355 pages

Identifiers

Classifications

  • DDC510.7
  • LCCQA1 .N3 21st

Subjects

Other Editions

  • The learning of mathematics1953

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