Author: QRRISON (JoIm)

Description

1QRRISON (JoIm),. of iJie Scottisb Cpu 2or Resarcb lU .Uat1Gfl. The Teaching of arithmetic:. ebstrct of investigations and conclusions from ‘Studies in arithmetic’, vols. I and II, and. ‘The Early develonent, of nuinbez concepts’. BicIç, 194. See EDINBURGH. Scottish Council for Research in Educatfon. iriibllcations, 21.]

Card ID: 46