Interpretative study of research and development in elementary school mathematics, phase 2
Contributors: United States. Department of Health, Education, and Welfare.; Pennsylvania State University.
Publisher: U.S. Department of Health, Education, and Welfare
Published: 1970
Place of publication: [Washington]
Language: eng
Format: Microform
Number of pages: 120
Notes: ED 043 508.

SE 009 578.

Final report: Pennsylvania State University Project No.8-0586.