Relative difficulties of the fundamental facts in arithmetic based on a study of errors made by Ontario children
By: A. J. Phillips and H. M. Fowler.
Contributors: Fowler, H. M.
Series: Toronto. University. Ontario College of Education. Educational research ser -- no. 13
Publisher: Department of Educational Research, Ontario College of Education
Published: 1946
Place of publication: Toronto
Language: eng
Number of pages: 33
Subjects: Arithmetic -- Study and teaching.
Notes: Cover title.

Mimeographed.