An Inquiry Into the Teaching of Addition and Subtraction: Thesis; Presented to the Faculty of Philosophy of the University of Pennsylvania in Partial Fulfillment of the Requirements for the Degree of Doctor of Philosophy (Classic Reprint)

by Albert Duncan Yocum

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  • ISBN10 1331297206
  • ISBN13 9781331297208
  • Publish Date 4 November 2018 (first published 4 February 2012)
  • Publish Status Active
  • Publish Country GB
  • Imprint Forgotten Books
  • Format Paperback (US Trade)
  • Pages 98
  • Language English