Discovering arithmetic
Subtitle: an experiment with Dr. Catherine Stern's structural material in an English school
By: W.H. Pleuger
Contributors: Stern, Catherine, 1894-
Edition: [2nd ed.].--
Publisher: Educational Supply Association
Published: 1962
Place of publication: London
Language: eng
Number of pages: 48
Subjects: Arithmetic -- Study and teaching -- Aids and devices