The improvement of instruction in arithmetic.

Saved in:
Bibliographic Details
Author / Creator:OBrien, Francis Paul, 1885-
Imprint:[Lawrence, Kan.] Bureau of service and research, University of Kansas, 1927.
Description:42 p. diagrs. 23 cm.
Series:[Kansas. University] Kansas studies in education vol. 1, no. 9
University of Kansas. School ef education. Kansas studies in education. vol. 1, no. 9.
Format: Print Book
URL for this record:
Physical Description:42 p. diagrs. 23 cm.