Relative difficulties of the fundamental facts in arithmetic based on a study of errors made by Ontario children
By: [by] A.J. Phillips and H.M. Fowler ...
Contributors: Fowler, Hanford McKee, 1910- joint author.
Series: [Toronto. University. Ontario College of Education] The Dept. of Educational Research. Educational research series,; no. 13
Publisher: The Dept. of educational research, Ontario college of education, University of Toronto
Published: 1946
Place of publication: [Toronto]
Language: eng
Number of pages: 33
Subjects: Arithmetic -- Study and teaching.
Notes: Cover-title.