The use of visual aids in the teaching of arithmetic
By: by Foster E. Grossnickle and William Metzner.
Contributors: Metzner, William, 1904- joint author.
Series: The Rambler audio-visual teaching series
Publisher: Rambler Press
Published: 1950
Place of publication: Brooklyn
Language: eng
Number of pages: 58
Subjects: Arithmetic -- Study and teaching.; Visual education.
Notes: "Sources of audio-visual materials": p. 36-58.